...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7319547 | Color printer calibration A method of determining substrate and ink compatibility includes providing a test pattern having a range of ink loading levels and including test features corresponding to at least one of text and graphics; identifying a substrate; identifying an ink set; printing t... | 01/15/2008 |
| 7178999 | Shutter-opening/closing and shutter-flash synchronization driver for dual-blade shutter in camera A flash camera has a single-piece shutter-opening/closing and shutter-flash synchronization driver that translates in one direction to pivot a pair of shutter blades away from one another and simultaneously push a movable switch contact of a normally open shutter-fl... | 02/20/2007 |
| 6935731 | Ink jet print system including print cartridge An ink jet printer apparatus is adapted to secure a print cartridge which includes an open container having a top opening; a porous ink-absorbent in the container; a print head in ink communication with the porous ink-absorbent; a top cover lid adapted to be placed ... | 08/30/2005 |
| 6913342 | Apparatus for securing print cartridge in ink jet printer An ink jet printer apparatus is adapted to secure a print cartridge which includes an open container having a top opening; a porous ink-absorbent in the container; a print head in ink communication with the porous ink-absorbent; a top cover lid adapted to be placed ... | 07/05/2005 |
| 6910656 | Ink ribbon cartridge with leaf spring and method of assembling the same A method of assembling an ink ribbon cartridge comprises inserting a leaf spring having a mounting frame and a flat spring finger that longitudinally extends from the mounting frame, beginning at an opening in the mounting frame, and at an acute angle from the openi... | 06/28/2005 |
| 6859221 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print A thermal printer capable of preventing crease formation in a dye transfer area of a dye donor web that can cause a line artifact to be printed on a dye receiver during a dye transfer from the dye transfer area to the dye receiver, includes a print head having a bea... | 02/22/2005 |
| 6837576 | Method of filling ink supply bag for ink cartridge A method of filling an ink supply bag with a liquid ink comprises flowing the liquid ink from an orifice in a nozzle extending deep into the bag and at an initial delivery velocity that is low enough to substantially prevent bubbles from forming in the delivered liq... | 01/04/2005 |
| 6832864 | Printing apparatus for printing an image on a selected surface Printing apparatus for printing an image on a selected surface, includes a print head for printing the image, respective supports for the print head that allow the print head to translate left and right along an x-axis and to translate up and down along a y-axis per... | 12/21/2004 |
| 6830323 | Restricting flash spread when welding housing halves of cartridge together A cartridge comprises a pair of housing portions having an opening at a seam formed between the housing portions, a memory chip accessible via the opening to permit electrical contact to be made with the memory chip, and a protuberance projecting from one of the hou... | 12/14/2004 |
| 6812945 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print A thermal printer is adapted to prevent crease formation in a dye transfer area of a dye donor web that can cause line artifacts to be printed on a dye receiver during a dye transfer from the dye transfer area to the dye receiver in a dye transfer printer. ... | 11/02/2004 |
| 6793322 | Method of printing multi-color image A method of printing a multi-color image on a particular surface, using a digital image file having a discrete number of pixels that collectively represent the multi-color image, comprises: determining a relatively large area of the multi-color image that is represe... | 09/21/2004 |
| 6789874 | Method of cleaning nozzles in inkjet printhead A method of cleaning spaced nozzles in a printhead of a drop-on-demand inkjet printer in which a slight negative pressure is desired in an ink reservoir in order to prevent ink drool from the nozzles, comprises: deforming a compliant pressure regulator membrane that... | 09/14/2004 |
| 6786975 | Method of cleaning printhead in inkjet printer A method of cleaning a printhead in an inkjet printer by removing organic debris deposits from the printhead, uses anyone of the liquid mixes of NaOCl (sodium hypochlorite) and H2O (water), H2O2 (hydrogen peroxide) and H2O... | 09/07/2004 |
| 6781616 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print A method of equalizing web-stretching caused by web tensioning in a dye transfer printer that is for use with a donor web having a dye transfer area and opposite edge areas alongside the dye transfer area, includes the steps of heating a dye transfer area to effect ... | 08/24/2004 |
| 6773098 | Method of filling ink supply bag for ink cartridge A method of filling an ink supply bag with a liquid ink, includes positioning the bag bottom end down and a top end up; flowing the liquid ink into the bag through an upper portion of the bag to fill the bag to a liquid level below the upper portion; squeezing the b... | 08/10/2004 |
| 6768503 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print A thermal printer is adapted to prevent crease formation in a dye transfer area of a dye donor web that can cause line artifacts to be printed on a dye receiver during a dye transfer from the dye transfer area to the dye receiver in a dye transfer printer. ... | 07/27/2004 |
| 6762782 | Method and apparatus for reducing uneven use of heating elements on thermal print head A method of reducing uneven use of the total number of printing elements on a print head in a printer, when selectively using the printing elements to make different size color image prints on respective similar size receiver mediums, comprises: selectively using th... | 07/13/2004 |
| 6757003 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print A thermal printer is adapted to prevent crease formation in a dye transfer area of a dye donor web that can cause line artifacts to be printed on a dye receiver during a dye transfer from the dye transfer area to the dye receiver in a dye transfer printer. ... | 06/29/2004 |
| 6755501 | Alternative ink/cleaner cartridge An alternative ink/cleaner cartridge includes an egress snout from which an ink supply or a cleaner supply is discharged from the cartridge. The snout and a collar that mates with the snout are mutually configured to permit the collar to mate with the snout only whe... | 06/29/2004 |
| 6744454 | Method and apparatus for reducing uneven use of heating elements on thermal print head A method of reducing uneven use of a series of heating elements a color image print smaller than the size of the receiver medium and leave a non-image non-color margin area along at least one side of the color image print; and using other ones of the heating element... | 06/01/2004 |
| 6744456 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print In a dye transfer printer, a donor web having successive dye transfer areas and opposite longitudinal edge areas alongside each one of the dye transfer areas is subjected to a longitudinal tension when the donor web is advanced in the printer. The longitudinal tensi... | 06/01/2004 |
| 6734888 | Apparatus and method for determining mismatch involving availability of dye donor and receiver supplies in thermal printer A method for determining a mismatch involving the availability of a dye donor supply and a dye receiver supply in a thermal printer when a particular print size and print quantity are selected, comprises: comparing a remaining number of similar-size donor patches av... | 05/11/2004 |
| 6727933 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print A donor web having successive dye transfer areas and opposite longitudinal edge areas alongside each one of the dye transfer areas is subjected to a longitudinal tension when the donor web is advanced in a dye transfer printer, which can stretch the dye transfer are... | 04/27/2004 |
| 6727931 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print In a dye transfer printer, a donor web having successive dye transfer areas that are used for printing and opposite longitudinal edge areas alongside each one of the dye transfer areas that are not used for printing are wrapped under longitudinal tension about a cyl... | 04/27/2004 |
| 6726310 | Printing liquid droplet ejector apparatus and method In a printing liquid droplet ejector, a liquid holding unit in a cavity has a volume sufficient to hold some of the printing liquid in the cavity and is mechanically translatable toward an opening in a nozzle. The liquid holding unit is volumetrically alterable to r... | 04/27/2004 |
| 6724412 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print A thermal printer is adapted to prevent crease formation in a dye transfer area of a dye donor web that can cause line artifacts to be printed on a dye receiver during a dye transfer from the dye transfer area to the dye receiver in a dye transfer printer. ... | 04/20/2004 |
| 6718129 | Compact camera A compact camera comprises: a main body part having a front and a rear, including upper and lower longitudinally-horizontal partially-cylindrical portions defining rearwardly-open film chambers for a film supply spool and a film cartridge, and another portion betwee... | 04/06/2004 |
| 6717603 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print A dye transfer printer uses a dye donor web that is capable of developing a crease-causing wave-like or ripple distortion across the donor web when the donor web is subjected to a longitudinal tension as it is advanced from a print head, over a web guide, and onto a... | 04/06/2004 |
| 6715949 | Medium-handling in printer for donor and receiver mediums A printer includes a print head for printing from a donor medium to a receiver medium, a platen member for holding the donor medium in a printing relation with the receiver medium at said print head, a pair of steering and drive rollers for feeding the receiver medi... | 04/06/2004 |
| 6715864 | Disposable ink supply bag having connector-fitting A fitting is attached to a disposable ink supply bag and has an ink egress snout for discharging an ink supply from the bag. The fitting is configured to engage with a housing for the bag to permit the bag to be connected to the housing when the ink supply is to be ... | 04/06/2004 |
| 6712459 | Ink cartridge having shielded pocket for memory chip An ink cartridge includes a housing with an integral pocket, an ink supply bag contained in the housing, and a memory chip supported in a wall opening of the pocket. The housing has an ink blocking shield arranged at a location between the bag and the memory chip to... | 03/30/2004 |
| 6714727 | Camera capable of having alternatively positioned mode indicator A camera is capable of being assembled with an alternately positioned mode indicator. The camera includes the following in order to achieve this objective. A support adapted to hold a mode indicator at any one of at least two different locations in order to enable t... | 03/30/2004 |
| 6709093 | Ink cartridge in which ink supply bag held fast to housing An ink cartridge includes an ink supply bag, a fitting attached to the bag and including an integral ink egress snout, and a pair of housing halves that contain the bag and at respective wall portions have opening halves that form a bottom opening for the snout when... | 03/23/2004 |
| 6705713 | Disposable ink assemblage A disposable ink assemblage intended for an ink cartridge includes an ink bag containing an ink supply, and an ink egress snout attached to the bag and from which the ink supply is to be discharged from the bag. The snout is configured to be received in a collar onl... | 03/16/2004 |
| 6705714 | Ink cartridge having ink supply bag filled to less than capacity and folded in cartridge housing An ink cartridge includes a flexible bag filled with a liquid ink, and a cartridge housing that holds the bag. The bag is filled to a predetermined percentage of its full volume to fill the bag to less than its capacity in order to prevent the bag from rupturing, bu... | 03/16/2004 |
| 6704498 | Camera for forming simultaneous images covering different areas of the same subject A camera has a wide-angle taking lens and a telephoto taking lens for forming simultaneous wide-angle and telephoto images of the same subject, to make wide-angle and telephoto simultaneous exposures on a single frame of film. A wide-angle/telephoto selec... | 03/09/2004 |
| 6704499 | Camera with frame counter A camera includes a frame counter having a single numerical scale of frame count indicia capable of being successively viewed after each picture is taken. The frame count indicia are arranged in one column in which the indicia are only odd numbers and are... | 03/09/2004 |
| 6702435 | Ink cartridge having ink identifier oriented to provide ink identification An ink cartridge includes an ink egress snout from which an ink supply is discharged from the ink cartridge, and a collar that mates with the snout and can be arranged in any one of a number of allowable orientations to provide an identification of the in... | 03/09/2004 |
| 6697093 | Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print A thermal printer is adapted to prevent crease formation in a dye transfer area of a dye donor web that can cause line artifacts to be printed on a dye receiver during a dye transfer from the dye transfer area to the dye receiver in a dye transfer printer... | 02/24/2004 |
| 6692104 | Method of printing multi-color composition A method of printing a multi-color composition having a relatively large background area with a prevailing color and different color smaller objects superimposed on the relatively large background area, comprises: uniformly applying a colored substance th... | 02/17/2004 |