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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 6689039 | Automatic tag attaching apparatus with pivotally mounted tag feed plate Apparatus for automatically attaching tags to articles employs a simplified tag feed mechanism in the form of a pivotally mounted spring-loaded tag feed plate. The plate receives the printed tag from the tag dispenser. The plate, with its tag, and the art... | 02/10/2004 |
| 6688502 | Hanger connector The connector connects a supported hanger and a supporting hanger. The connector engages the supported hanger at spaced points to avoid swaying of the supported hanger relative to the supporting hanger. The hangers are connected with their centers of grav... | 02/10/2004 |
| 6592220 | Eyeglass frame with removably mounted lenses Lenses are removably mounted on the brow bar of an eyeglass frame. A coupling part is fixed to the top of each lens, preferably by a rim member attached to the lens by conventional techniques. The coupling part is composed of magnetically attractive mater... | 07/15/2003 |
| 6553919 | Computer desk with concealable display The work surface has a recess into which a solid state display is received. The display is mounted for movement between a storage position, where the rear surface is co-planar with, and forms a part of, the work surface and a viewing position wherein the ... | 04/29/2003 |
| 6546571 | Re-enforced shower curtain liner and method for fabricating same The header is heat sealed along the top of one side of the liner body with both ends extending beyond the edges of the liner body. The ends of the header are folded around the edges of the liner body to a position parallel to the other side of the liner a... | 04/15/2003 |
| 6543629 | Decorative curtain rod end cover The cover mounts over the end of a tension rod of the type which is used to mount window curtains or the like between opposing surfaces of a window recess. The cover is provided in mating parts which are assembled and joined together. The edges of the par... | 04/08/2003 |
| 6530120 | Roller shower curtain hook and method of manufacturing same The hook has a molded plastic body including a rod engaging part formed of arcuate sections with roller bearing receiving cavities. Means for joining the sections are provided. The hook is assembled by placing the roller bearings in the cavities in one of... | 03/11/2003 |
| 6497143 | Container with automatically controlled discharge for continuous metering of liquid flow Liquid, such as milk, enters the sealed container from an inlet at the top of the container and exits through an outlet at the bottom of the container. The quantity of liquid in the container is sensed and a microprocessor calculates the total volume of l... | 12/24/2002 |
| 6449598 | Health care policy on-line maintenance dissemination and compliance testing system The software based interactive system provides accessibility to an institution's own policies via either an internet web site or an intranet home page. Qualified users may search for and access documents related to institution policies for review, includi... | 09/10/2002 |
| 6440884 | Composition and process for making building bricks and tiles Building bricks and tiles are made by mixing 60% to 75% clay, 20% to 40% sludge and 1% to 10% sand, all percentages being by weight of the total composition. This process utilizes industrial waste products to provide building materials which are lighter a... | 08/27/2002 |
| 6427750 | Display unit An advertising display unit has a blind wound between a pair of spaced rollers rotatably mounted for bringing a selected portion of the blind into a display window area. A mechanism for longitudinally moving the blind is provided which is easily accessed ... | 08/06/2002 |
| 6324906 | Double chamber container for metering liquid flow The container includes a first chamber connected to the liquid source through an inlet port of a given cross-sectional area and a second chamber connected to a drain through an outlet port of at least equal size. The chambers are separated by a partition ... | 12/04/2001 |
| 6317904 | Shower curtain A plurality of fasteners are arranged along opposite edges of the shower curtain. Each fastener includes a mounting strip with a body portion which carries a pair of integral suction cups. The strip is heat sealed to the curtain material. In particular, a... | 11/20/2001 |
| 6302538 | Enclosed spring bridge mechanism for clip-on sunglasses The clip-on sunglass assembly mounts on eyeglasses and has mirror image frame parts. Each includes a lens retaining frame portion with a set of protruding "L" shaped eyeglass engaging prongs and a bridge element. A mechanism is provided for connecting the... | 10/16/2001 |
| 6274094 | Nestable, modular apparatus for synthesis of multiple organic compounds The simultaneous synthesis of diverse organic compounds is performed in stackable modules which are moveable among nesting sites located on work station platforms. The reactor module includes a heat transfer block adapted to receive an array of reactor ve... | 08/14/2001 |
| 6267930 | Apparatus for synthesis of multiple organic compounds with pinch valve block The simultaneous synthesis of diverse organic compounds is performed in stackable modules which are moveable among nesting sites located on work station platform. The reactor module includes a block adapted to receive an array of tube-like reactor vessels... | 07/31/2001 |
| 6254232 | Spring clip for mounting sunglasses The clip includes a base to which a bistable sunglass lens carrying frame is mounted. The frame is moveable relative to the base between operative and inoperative positions. A "U" shaped spring biases the frame toward each position. First and second parts... | 07/03/2001 |
| 6234628 | Enclosed spring bridge mechanism for clip-on sunglasses The clip-on sunglass assembly mounts on eyeglasses and has mirror image frame parts. Each includes a lens retaining frame portion with a set of protruding "L" shaped eyeglass engaging prongs and a bridge element. A mechanism is provided for connecting the... | 05/22/2001 |
| 6216868 | Surgical blade system The handle has a blade mounting portion with a raised boss forming a slot. The blade has a boss receiving recess with a portion defined by an edge. The cartridge has a transparent top so that the presence of a blade within the cartridge can be observed an... | 04/17/2001 |
| 6212717 | Articles with gripping surfaces Chair cushions and placemats are formed of a top fabric panel attached to a bottom panel which as a high coefficient of friction. The bottom panel is a rubberized web with an open pattern. The pattern consists of a plurality of rows of parallel, spaced, s... | 04/10/2001 |
| 6185923 | Adjustable length expansible chain Significant length adjustment is achieved in a facile manner in connection with an expansible chain comprising upper and lower layers of links, each link extending generally laterally of said chain and arranged longitudinally to define the length of said ... | 02/13/2001 |
| 6103200 | Adapter assembly for scientific glassware The adapter assembly is used on a vessel having an opening defined by the rim of an externally threaded neck. PTFE inserts with different internal bore configurations are used. The inserts include a lower portion adapted to be received in the vessel openi... | 08/15/2000 |
| 6082029 | Container for packaging and displaying a plaque The plaque has an indicia carrying surface. The container includes a box-like enclosure with an openable end and front surface having an opening. The plaque is received through the end of the enclosure such that the indicia carrying surface of the plaque ... | 07/04/2000 |
| 5972006 | Buckle securing means for sternum banding assembly A banding assembly has a needle at one end, a long thin band, and a buckle at the other end. The buckle is provided with upstanding elements on either side of a channel which receives the band. The elements have openings adapted to be engaged by a towel c... | 10/26/1999 |
| 5953096 | Universal center bridge mounting mechanism for clip-on sunglasses Spaced prong arms, spring loaded toward an initial position, are moved relative to fixed prong arms, against the spring force, to a position for engagement of opposing sections of the eyeglasses frame. The ends of the prong arms are shaped to receive the ... | 09/14/1999 |
| 5938027 | Surgical blade system The handle has a blade mounting portion with a raised boss forming a slot. The blade has a boss receiving recess with a portion defined by an edge. The cartridge removeably retains the blade. It has an opening into which the blade mounting portion of the ... | 08/17/1999 |
| 5924578 | Clothing hanger holder First and second rods extend from spaced points on an open frame. The rods support a plurality of hangers situated in parallel planes. When the frame is mounted on a wall such that the rods extend horizontally, the hangers are retained on the rods by upwa... | 07/20/1999 |
| 5898299 | Probe type tester with circuit board stabilizer The hand held circuit tester includes a hollow handle. A probe extends from one end of the handle. First and second leads extend from the other. An LED carrying circuit board is situated within the handle. One end of the circuit board is connected to the ... | 04/27/1999 |
| 5842562 | Stuffed animal jewelry holder The stuffed animal has a body covered by simulated fur material. First and second ears extend from the head in an upstanding manner. Each ear includes a mesh section adapted to receive the jewelry. The edges of the mesh section are covered by the simulate... | 12/01/1998 |
| 5826969 | Illuminating screw driver The handle defines a cavity retaining a power source and a source of illumination. The shaft, mounted on one end of the handle, has a channel extending from the handle and through the blade for guiding light down the shaft and out the blade to illuminate ... | 10/27/1998 |
| 5813557 | Magnetized fluid vessel The vessel includes a fluid container or conduit. First and second magnets are situated on opposite sides of the vessel wall and are encircled by a metallic band or collar. The vessel may have an open mouth defined by a rim. In one embodiment, magnets are... | 09/29/1998 |
| 5778935 | Flexible replacement section for irrigation and water pipe For connecting the spaced ends of underground irrigation or water pipe, a flexible replacement section with a rigid tubular coupling at each end is employed. Each coupling has an inner diameter equal to the outer diameter of the pipe being connected and i... | 07/14/1998 |
| 5753890 | Non-fogging mirror for dental or medical use A casing seals to the edge of a mirror blank to form an autoclavable unit. An electrically energizable heater element is enclosed within the unit. The element is connected to a plug which extends from the casing and is adapted to engage a socket when the ... | 05/19/1998 |
| 5571329 | Gas flow system for CVD reactor To minimize contamination of gas flow lines and reactor surfaces from high impurity concentrations present in the CVD reactor, control of the dopant gas supply is located closely adjacent to the reactor input port and the dopant gas supply line is separat... | 11/05/1996 |
| 5557815 | Convertible pillow/chair pad The edges of first and second fabric sides are joined along a seam to form an enclosure for cushion material. Tie strings extend from the seam along one end of the cushion. First and second fabric flaps are provided. Each flap is joined along three edges ... | 09/24/1996 |
| 5484080 | Liquid container within retractable straw The base defines a liquid retaining reservoir and has a cover with a straw containing compartment which includes a tubular section and an enlarged section. A pivotally mounted lever has a portion accessible from the exterior of the container and an interi... | 01/16/1996 |
