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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 |
| 7322645 | Bicycle seat rail clamping shafts and mounting systems An apparatus for attachment and adjustment of a bicycle seat is connected to a bicycle seat post and allows tool-free attachment of the seat to the post as well as angular fore and aft adjustment of the seat relative to the longitudinal axis of the seat post. ... | 01/29/2008 |
| 7320556 | Gripping devices A gripping device comprises a support body (2) within a sleeve (8), with the sleeve being mounted around the body for relative translational movement along a common axis thereof. A plurality of gripping elements (10, 12) are pivotally mounted in... | 01/22/2008 |
| 7290776 | Extension handle apparatus for a wheeled chair An extension handle apparatus is provided for a wheeled chair which includes handle support tubes for supporting one or more wheeled-chair handles. The extension handle apparatus includes an extension support portion and an extension handle portion connected to the ... | 11/06/2007 |
| 7179116 | Collapsing bridge crimp The collapsing bridge crimp comprises a central portion and two mutually-opposite side arms extending from the central portion. Each side arm comprises a first portion attached to the central portion, the first portion being inwardly curved, and a second portion ext... | 02/20/2007 |
| 7104742 | Straight-aligning rail system A system for aligning and fastening two sections of stair hand rail or a fitting to a stair hand rail, comprising a bolt having screw threads at a first end for fastening the bolt to the fitting and having machine threads at a second end for aligning and fastening t... | 09/12/2006 |
| 7101110 | Oil-less rivet system for a reclining chair mechanism A rivet system for use in motion furniture linkage and the like. The rivet system incorporates an electrically conductive plastic washer which eliminates the need for oil lubrication while maintaining the ability to electrostatically paint the linkage assembly. ... | 09/05/2006 |
| 7044426 | Fitting for building structures and the like A fitting to prevent movement during seismic activity between a building structure or the like and a rod and channel support or the like connected to said building which may include anti-torque means between the anchor and the channel for preventing rotation of the ... | 05/16/2006 |
| 6939076 | Oil-less rivet system for a reclining chair mechanism An improved rivet system is disclosed. A wall proximity reclining/tilt chair includes the improved rivet system which eliminates the need for oil lubrication and additional bushings. The rivet system is such that installation is simplified and manufacturing inconsis... | 09/06/2005 |
| 6921288 | Semiconductor test and burn-in apparatus provided with a high current power connector for combining power planes A semi-conductor module burn-in test apparatus having a plurality burn-in boards each of which is provided a plurality of module test sockets thereon and each test socket is coupled to an adjacent test socket by with a high current, open/short split power connector ... | 07/26/2005 |
| 6832953 | Spacers and flap control for harvester shoe housing For establishing proper clearance between adjacent parts of a combine harvesting machine spacers are provided which create a clearance between housing parts of the combine. The clearance produces a gap which is to be controlled in terms of its extent. To control the... | 12/21/2004 |
| 6616399 | Gripper arm assembly An improved gripping arm assembly including a two-piece gripper arm body construction which includes an arm clamp having alignment pins, and an arm main body with corresponding alignment holes for receiving the clamp pins, and a means for securably attach... | 09/09/2003 |
| 6102610 | Brittle composite structure for resiliently accomodating thermal expansion Two composite parts, such as sheet and a hollow gas turbine liner tile, are fastened together using a fastening system that includes a journal bearing that fits in a bore in the sheet and springs to support a bolt fastener that is tightened to hold the pa... | 08/15/2000 |
| 5980147 | Screen wiper mechanism comprising a crank and connecting rod coupled together by an improved articulating device The screen wiper mechanism has a crank, a connecting rod, a pivot pin and an articulating device which couples the crank to the connecting rod. The structure has, in succession: a head which bears against an engagement surface that is formed, in facing re... | 11/09/1999 |
| 5816771 | Gripper arm assembly An improved gripping arm assembly including a two-piece gripper arm body construction which includes an arm clamp having alignment pins, and an arm main body with corresponding alignment holes for receiving the clamp pins, and a means for securably attach... | 10/06/1998 |
| 5593205 | Canopy clamp for a chair The clamp for securing a canopy to a beach chair has a pair of metal plates fixedly secured to a cross-piece of the canopy. In addition, the clamp employs a plastic strap between the two metal plates for engaging with the tubular cross-piece of the chair ... | 01/14/1997 |
| 5474156 | Module connection alignment system An alignment ball which is disposed within a channel of a vehicle part such as a brake caliper. The vehicle part is connected to a rigid vehicle support such as a chaincase by means of a fastening member such as a nut and bolt. The alignment ball is conne... | 12/12/1995 |
| 5244301 | Bicycle seat mount A bicycle seat mount includes an arcuate saddle welded to the upper end of a tubular post for supporting a two-piece clamping assembly. A clamping bolt extends upwardly through the saddle and aligned slots in the clamping members into meshed engagement wi... | 09/14/1993 |
| 5127763 | Clip joint for connection of reinforcing bars and a wedge used therein Joints having utility in connecting together concrete reinforcing bars are improved by adding teeth to preselected interior side walls of the joint to increase the frictional engagement between the rebars and the joint. In a first embodiment, the joint is... | 07/07/1992 |
| 5111770 | Cubicle partition The invention relates to a cubicle partition comprising at least one standing pipe and, connected thereto, a bracket-shaped rail bent from tube material, wherein a mounting plate is fixed to the bottom end of the standing pipe. The standing pipe comprises... | 05/12/1992 |
| 4997306 | Joint for reinforcing bars In joint for connecting reinforcing bars (5 and 5) in such a manner that the connecting end portions of the reinforcing bars are respectively inserted into the respective curved portions of a hollow metallic pipe (sleeeve 1) from the opposite sides thereo... | 03/05/1991 |
| 4971037 | Surgical retractor support A table-mounted surgical retractor support includes a wishbone-shaped structure comprising two identical rods which are separately attachable to a clamp located at the end of a supporting rod. The supporting rod is, in turn, connected to a similar clamp l... | 11/20/1990 |
| 4900183 | Assembly device A device for assembling spaced structural elements which includes a first collar for cooperatively engaging a first structural element and an intermediate sole plate cooperatively engageable with the first collar and having an assembly member extending th... | 02/13/1990 |
| 4848939 | Bearing shim A bearing shim comprising a first end plate, a second end plate and a plurality of spacer elements disposed therebetween. The first end plate includes an axially elongated annular rib adapted to be received within apertures in the spacers and the other en... | 07/18/1989 |
| 4741513 | Strainer post and fitting therefor A fitting and a method for facilitating clamping in a cluster a plurality of star posts to form a strainer post in a fence line, and comprising a yoke having radiating legs enclosing the star posts which are clamped to the yoke by an encircling U-bolt and... | 05/03/1988 |
| 4693627 | Device for fixing the saddle of a bicycle to a saddle pillar and for adjusting the inclination of the saddle The device comprises an abutment member which has seats for engaging the two rods of the saddle frame from above and is coupled to the head of the saddle pillar so as to be rotatable about a transverse axis of rotation perpendicular to the two rods but no... | 09/15/1987 |
| 4629242 | Patient transporting vehicle A vehicle is provided for use in hospitals, clinics, and medical facilities for transporting patients between various locations while in a prone, reclining, or sitting position. The vehicle includes a first member on which the patient is placed, and a sec... | 12/16/1986 |
| 4619546 | Jutted joint structures Faced with the necessity to establish a mechanical connection between the components of a supporting structure, a great many techniques and devices have been developed. This invention adds to the existing repertory a joint where a plurality of elongated m... | 10/28/1986 |
| 4591287 | Means for securing tubular members in fixed spaced relation Tubular members to be interconnected in a rigid configuration each include a radially extending stud affixed to the tube outer surface (e.g., welded) and terminating in an enlarged head. First and second connector parts each have a relatively flat side wh... | 05/27/1986 |
| 4536102 | Bar or rod or tube frame multi-position assembly clamp A bar or rod or tube clamp-type connector for assembling a frame to be covered by a woven fabric or tarpaulin or plastic film or sheet wherein the clamp-type connector comprises at least two rigid metal elements and one pierced resilient or cushioning ele... | 08/20/1985 |
| 4512682 | Alignment control device The subject invention is a device for vertically connecting members relative to one another in order to prevent rotational movement relative to one another, and wherein the invention resides in an adapter plate structured to be sandwiched intermediate the... | 04/23/1985 |
| 4441756 | Lounge chair with improved arm rests A lounge chair with arm rests, of the type patented in U.S. Pat. No. 4,252,371, in which the arm rest supports partake of pivotal traversing movements and are arranged to do so against a bearing surface which effectively eliminates wobble or other undesir... | 04/10/1984 |
| 4407601 | Cross-arm brace An improved cross-arm brace for supporting a cross-arm (24) on a utility support pole (23) is described. The brace has two support members (10) which lie along the support pole (23), one on each side of the support pole (23), and between the support pole ... | 10/04/1983 |
| 4311407 | Bar or rod or tube frame multi-position assembly clamp A bar or rod or tube clamp-type connector for assembling a frame to be covered by a woven fabric or tarpaulin or plastic film or sheet wherein the clamp-type connector comprises at least two rigid metal elements and one pierced resilient or cushioning ele... | 01/19/1982 |
| 4197764 | Detachable handle assembly A detachable handle assembly is provided for a powered garden tool, such as a hedge trimmer. The handle assembly according to the present invention includes an elongated first member having a hand grip formed at one axial end. A clamp assembly is connecte... | 04/15/1980 |
| 4181396 | Aluminum-copper electrical joint An aluminum insert, friction welded to a copper plate, is projected through a close-fitting aperture in an aluminum busbar and joined to the busbar by a circumferential weld at the exit end of the aperture, using conventional arc welding techniques, to co... | 01/01/1980 |
| 4174911 | Structural steel clamped joint A joint for structural steel is provided which connects a pair of parallel beams in end-to-end relationship with a second pair of parallel beams. The beams are of any cross-sectional form having an L-shaped component, for example an inverted "S." The beam... | 11/20/1979 |
| 4147446 | Split bolt connector with interlaced grooves in pressure pad This invention relates to electrical connectors, and in one embodiment comprises a "split bolt" type connector having a pressure pad member interposed between the bolt head and the nut, the conductor contacting surfaces of which are characterized by being... | 04/03/1979 |
| 4114977 | Single wedge-type grid wire connector A connector for joining two grounding grid-wire at their node point includes a C-shaped body member, a nesting member shaped like a cross, and a wedge member mounted for movement within the body member. The body member has two spaced apart fingers that st... | 09/19/1978 |
| 4033417 | Agricultural machine A support is connectable with an agricultural machine, and a plurality of agricultural tools is provided which are mounted by mounting elements on the support so that they can be adjusted relative to the support. A single arresting element is provided whi... | 07/05/1977 |
| 4032246 | Clamp An improved clamp is provided for clamping a pair of crossing elongated members together wherein the members cross each other at a predetermined angle. The clamp comprises a base which is disposed between the elongated members at their intersection and in... | 06/28/1977 |
