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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7895781 | Indicia display device A device having movable slats for visual display of a plurality of indicia, such as numbers, letters and/or symbols. The internal slat supporting structure is secured to prevent movement of portions thereof when struck or jostled. In some embodiments, the indicia ar... | 03/01/2011 |
| 7591093 | Pull-out index for file folders and the like A pull-out index for physical file folders, books, boxes and the like is shown which includes a record device that has a surface for recording information about the contents of the folder, is slidably enclosed in a pocket formed by a holder that is attachable to the... | 09/22/2009 |
| 7415789 | Advertising/promotional display system By providing a unique, pre-printed housing within which a plurality of windows are formed and positioned for cooperating with a plurality of longitudinally movable arm members or sliders, a unique, hands-on, printed, visually exciting and interest generating adverti... | 08/26/2008 |
| 7325510 | Securable medication reminder device A medication dosage reminder device (1300) operating on the exterior of a medication container (C6) includes a selector member (1304) retentively engaged with an attached cooperating support member (1306). The selector is engageably movab... | 02/05/2008 |
| 7325341 | Lamella card The Lamella card consists of a foldable wrapping having at least one sighting window, a first image carrier arranged inside it and a second image carrier comprising at least 4 lamellae inserted in one another. At least one of said lamellae is fitted with a lever, wh... | 02/05/2008 |
| 7284347 | Checkout divider A transparent divider to be used at checkout conveyors for separating one customers order from the next customers order. The divider is an elongate bar which has an open bottom for ease of stacking or sliding along a checkout rail. A slot is formed in the side walls... | 10/23/2007 |
| 7272901 | Display arrangement A display arrangement 10 made of card with a pair of windows 18. A movable carrying member 30 is provided bearing two images 30 selectively viewable through the respective windows 18. The arrangement 10 is configured such th... | 09/25/2007 |
| 7243448 | Flasher Portable handheld sign devices and methods of use that allow a frame holder of store plural indicia covered sign boards therein, and include front facing and rear facing signboards. U-shaped frames with indicia covered signboards can be slid down to extend beneath t... | 07/17/2007 |
| 7172668 | Rotatable label system and method A system and method are disclosed for constructing a rotatable label and attaching the rotatable label to a container. The rotatable label system comprises an inner label attached to the container and a rotatable outer label. The inner label may have adhesive on a r... | 02/06/2007 |
| 7151541 | Moveable animated display device A moveable animated display device for displaying a plurality of images with a pressure plate carrier, a pressure plate retained in relation to the pressure plate carrier, a plurality of coded images, a plurality of shutter elements slidably retained in relation to ... | 12/19/2006 |
| 7056122 | Word isolating educational tool An educational device and method in which a user can learn the pronunciation and meaning of words using a word isolator with a window and a slide. The word isolator is placed over the unfamiliar word. The slide is manipulated to expose only a portion of the word at ... | 06/06/2006 |
| 7007365 | Sliding panel photographic card A sliding panel display device for displaying two different images, such as photographs, comprises front and rear panels, each bearing a different image or photograph, and each divided into a plurality of parallel strips. The strips of the front panel are arranged a... | 03/07/2006 |
| 6978565 | Device and method for communication with housekeeping services A device for communicating a hotel guest's instructions to hotel housekeeping services, and method for such is provided. The communication device provides a means for the guest to indicate whether or not to clean the room or other like instructions or commands. Addi... | 12/27/2005 |
| 6953177 | Article support apparatus with movable display panel Apparatus are provided that may be used, for example, by healthcare providers to educate patients and others on one or more particular pharmaceutical products. A promotional apparatus includes a housing, a support member that is configured to support articles suspen... | 10/11/2005 |
| 6907840 | Football first down indicator system A football first down indicator system for providing a method of quickly and accurately determining a first down in football. The football first down indicator system includes a pair of first down marker members each having an elongate housing member, and also havin... | 06/21/2005 |
| 6718667 | Device for displaying messages A device for displaying messages, including bumper stickers, which provides for adjusting the horizontal length to allow insertion therein of messages of varying lengths. The device may be removably attached to other surfaces, such as the windows of cars. The device... | 04/13/2004 |
| 6237265 | Promotional display system By providing a unique, pre-printed housing within which a pair of display members are operatively interconnected to each other to move simultaneously outwardly from the housing in an unexpected and unanticipated manner, a printed, visually exciting and in... | 05/29/2001 |
| 6182386 | Sign having a movable front plate A sign is provided having a rear plate (2) having at least two printed messages (5,6) and a front plate (3) arranged movably in front of the rear plate (2). The front plate (3) is arranged such that in its starting position it covers all the messages (5,6... | 02/06/2001 |
| 6170200 | Furniture system A furniture system is particularly adapted to support group activities in open plans, and the like. A plurality of columns support an overhead framework on the floor of a building in a freestanding fashion at a predetermined elevation, generally above ave... | 01/09/2001 |
| 6079983 | Educational instrument for numbers An educational instrument for numbers for providing students with an educational tool that would be fun and challenging. The educational instrument for numbers includes a base member having a top side, a recessed portion in the top side, a first longitudi... | 06/27/2000 |
| 5992073 | Contents identification device for a container The present invention provides an identification device, and a method of use therefor. The identification device comprises a label holder, at least one label, and a strap or adhesive bond to secure the label holder to a storage container. The label holder... | 11/30/1999 |
| 5974709 | Display apparatus A display apparatus has an interchangeable cassette including a first static image-bearing slatted panel and at least two further movable image-bearing slatted panels, movable relative to the static panel and interleaved therewith. The panels form part of... | 11/02/1999 |
| 5901484 | Manually operated moveable display device A manually operated moveable display device for displaying a plurality of images comprising an image member with an inage panel slidably retained adjacent to a shutter panel of a shutter member. A plurality of coded images are disposed on the image panel,... | 05/11/1999 |
| 5810217 | Clothespin and clothes-equipment A clothespin where a rotary body which is provided with a plurality of blade portions is pivotally supported on a pinching member to pinch the pinching object with the blade portion, the pinching object can be firmly supported with the elastic force of th... | 09/22/1998 |
| 5657562 | Card with a precut representation of a known personage and a precut supporting band interlockable therewith The card is preferably made of cardboard and has two precut elements. The first one has an elongated rectangular base from which projects a representation of a known personage, preferably a showbusiness or sports star, which is printed on one or both side... | 08/19/1997 |
| 5457903 | Perpetual mechanical calendar A perpetual mechanical calendar is disclosed which includes a front board having twelve windows, a sliding plate mounted behind the front board and being printed with two series of numbers, portions of which are visible through the windows of the front bo... | 10/17/1995 |
| 5363578 | Identification panel for electronic equipment cabinet An identification panel for a cabinet for electronic equipment, such as computers or computer peripherals. A back panel is mounted to an intermediate window and doorframe member having a control door frame, and a translucent window aligned with the back p... | 11/15/1994 |
| 5339765 | Direction indicating traffic barricade A visual message indicating barricade is presented having a support means adapted to hold the barricade in a relatively upright position, at least one body affixed to said support by a securing means, at least one selectively movable member connected to t... | 08/23/1994 |
| 5287641 | Collectible card device A card device, comprising an elongated blank folded to form a front panel and a back panel and including a fastener means to form a card with one unsealed end. The front panel has a die cut opening of a predetermined size and shape with a clear window pan... | 02/22/1994 |
| 5259133 | Pop-up display device A pop-up display device is erectable to provide, for example, a pop-up action figure as part of a baseball card or the like. The device comprises a flat base portion forming a support for the device and an erectable display portion disposed in a non-erect... | 11/09/1993 |
| 5255462 | Sign with variable indicators A sign having variable indicators utilizing a static member in the form of a plate with a first surface and a second opposite surface. First and second slots are also provided along the static member between the first and second surfaces. A removable memb... | 10/26/1993 |
| 5253441 | Device for listing and marking items and errands A listing device is disclosed for recording domestic household items which must be purchased on an ongoing basis and for indicating chores and appointments which must be regularly observed. The listing device includes a planar support sheet and plate disp... | 10/19/1993 |
| 5235768 | Double faced changeable sign A double faced changeable sign having a sliding panel to conceal or reveal messages, wherein the sign is removably mounted to a transparent window or other clear surface.... | 08/17/1993 |
| 5222642 | Article having a selectively changeable visual display An article of luggage with an interior compartment and a visual display unit formed within at least one sidewall of the article. The visual display unit contains distinct first and second visual images, which are formed on separate first and second visual... | 06/29/1993 |
| 5185948 | Interactive shelf duo selector and shelf management system A multi-sided display device for displaying selected advertising information corresponding to a particular product on display. The display device is rotatably mounted such that one of a plurality of display faces of the multi-sided display may be selected... | 02/16/1993 |
| 5094022 | Display device A display device is provided consisting of a first display panel having a first forwardly facing substantially flat surface carrying a first message to be displayed with a cut in the first display panel to divide the first display plane into a plurality o... | 03/10/1992 |
| 5088220 | Pop-out slide A pop-out slide and a method of fabricating the same from a single continuous web of material. The method comprises cutting a web of material to define a through slot and a cutout, such that the cutout in turn defines a pop-out member superimposable with ... | 02/18/1992 |
| 5078265 | Lottery ticket holder A lottery ticket holder having a pair of planar members interconnected by and through a pair of partition (or side) members to form a hollow body wherethrough a lottery ticket slidably passes.... | 01/07/1992 |
| 5029406 | Sign structures A desirable sign structure can be formed using a hollow, integral, self-supporting thermoplastic polymer body shaped so as to include a hollow border or peripheral frame carrying front and back walls of the sign structure. Grooves adapted to carry extensi... | 07/09/1991 |
| 5004271 | Greeting card system A personalized greeting card system includes a foldable sheet member defining first and second panels and a plurality of interchangeable sleeve elements for removably fitting over and around the second panel. Each of the sleeve elements is provided with a... | 04/02/1991 |
