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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 |
| 7887248 | Swivel attachment and branch line restraint A swivel attachment and/or branch line restraint device with angular versatility and mobility for facilitating connection of installation components to support a pipe or other load relative to a support surface is provided. Advantageously, embodiments of the device ... | 02/15/2011 |
| 7645088 | Articulated arm for an awning and method for the production thereof An articulated arm for an awning has an articulation part and an arm profile which are inserted one into the other. Furthermore, pull-off protection is present. The articulation part and the arm profile are inserted one into the other with a press fit, and the pull-... | 01/12/2010 |
| 7162841 | Spring clip and method of window installation A spring clip having integral, self-penetrating attachment tangs and an orientation tab can be manually installed in a window opening formed by a foam core sandwiched by a pair of OSBs. A first planar surface has a second planar surface attached along one lateral ed... | 01/16/2007 |
| 7125072 | Bicycle seat rail and method of making same A seat rail for a bicycle seat and a method of fabricating same are disclosed. The seat rail comprises a rod having one or more flutes formed along the length of the rod. The seat rail provides support for a bicycle seat and provides means for securing the seat to t... | 10/24/2006 |
| 7047702 | Perimeter angle trim A wall molding for suspended ceiling systems has a self-aligning feature adapted to locate one end of a piece being installed on the end of a previously installed piece so that an installation of high quality workmanship is quickly obtained. The self-aligning featur... | 05/23/2006 |
| 7033662 | Structure for fitting knob to shaft The knob fitting structure is provided with a knob; an operation shaft to which the knob is to be fitted; engaging stubs provided on one of the knob and the operation shaft and supporting side walls having snap-in holes 10f provided on the other, where... | 04/25/2006 |
| 6951150 | Gearwheel intended to be press-fitted onto a shaft and a shaft carrying a press-fitted gearwheel Gearwheel, intended to be connected through press fitting to a shaft, the gearwheel exhibiting a hub and a cog path connected to the hub, the hub exhibiting at least one flank extending axially outside the cog path and a through-hole with a first area situated axial... | 10/04/2005 |
| 6932369 | Wheelchair and structural elements therefore An assembly comprises an elongate member and a receiving member. The elongate member has an external cross-sectional shape which is substantially square and has corners replaced by circumferentially spaced circular portions of a circumscribing circle with flat porti... | 08/23/2005 |
| 6926613 | Pool table assembly A pool table (10) having a plurality of corner assemblies (12, 14, 16, and 18) which allow the pool table (10) to be easily disassembled while concomitantly allowing the pool table (10) to be sturdy. ... | 08/09/2005 |
| 6918713 | Cylindrical pin A cylindrical pin (1) for connecting and/or guiding components (A, B), particularly in tool, fixture, and machine construction is provided. In order to make the cylindrical pin yieldable in a radial direction and thereby allow for compensation for its manufac... | 07/19/2005 |
| 6915999 | Connection member for connecting bicycle rack and extention tube connected to vehicles A connection member is connected to a bicycle rack at an engaging plate on a top of the connection member and a through hole is defined through the connection member. A polygonal wall extends from a side of the connection member and encloses the through hole. A rect... | 07/12/2005 |
| 6901646 | Universal snap-fit spacer A universal snap-fit system for interconnecting multiple circuit boards in a stacked relationship is provided. The system allows circuit boards to be stacked with a minimum of assembly time. In addition, the system allows circuit boards of varying thicknesses to be ... | 06/07/2005 |
| 6874201 | Tool extension assembly with quick release lock mechanism A tool extension assembly including an extension pole connected to a connecting device and a tool assembly having a handle with an insert secured therein. A transversely-extending pin is movably mounted to the connecting device and is biased by a spring. The insert ... | 04/05/2005 |
| 6843028 | Truss tie-down method and apparatus A tie-down connecting elements (30) for tying down a truss relative to a wall frame is fixed between the webs (12) of the upper and lower Z-shaped chords (10) and includes a tongue portion (34) which extends downwardly through a slot (... | 01/18/2005 |
| 6835022 | Connector for joining toe kick plate of cabinet A connector for an enclosure comprises: a main panel having inner and outer surfaces and a front end; a toe kick support panel extending generally perpendicularly from an intermediate portion of the inner surface of the main panel; a toe kick retaining flange extend... | 12/28/2004 |
| 6808777 | Flooring An arrangement which comprises: first and second panel-shaped pieces of flooring for joining together, said pieces resting on a sub-floor and having profiles along mutually meeting edge portions which, on the first piece, consist of a groove and a projection located... | 10/26/2004 |
| 6764246 | Combination of handlebar stem and two connection parts on two ends of the handlebar stem A bicycle handlebar stem assembly includes a stem with two lugs extending from one of two ends of the stem. A first connection member has an aperture through which the stem extends, and two recesses are defined in an inside of the first connection member so as to re... | 07/20/2004 |
| 6742310 | Truss tie-down method and apparatus A tie-down connecting element (30) for tying down a truss relative to a wall frame is fixed between the webs (12) of the upper and lower Z-shaped chords (10) and includes a tongue portion (34) which extends downwardly through a slot (5... | 06/01/2004 |
| 6726391 | Fastening and fixing device A device for fastening and fixing components to a cylindrical wall. The cylindrical wall may be both the convex-cylindrical outer contour of a cylinder and the concave-cylindrical inner contour of a hollow cylinder, in which the component is fixed in the radial, axi... | 04/27/2004 |
| 6702507 | Joined system of two plastic components A separable, form-fitting joint (5) is proposed in which one plastic component is designed as a base component (6) and another component, a cover (7), is designed as a component to be mounted on the base component (6), and the cover (7) is equipped, as vi... | 03/09/2004 |
| 6688804 | Hitch receiver/implement threaded fastening assembly This invention relates to a novel hitch receiver/implement threaded fastening assembly. More particularly, this invention pertains to a novel device for securing in place an implement such as a tow bar, ball mount, bicycle rack, and the like, in a hitch r... | 02/10/2004 |
| 6682254 | Guiding means at a joint A guiding means at a joint between boards, the joint comprising groove and tongue preferably intended to be joined by means of glue. The tongue includes at least one guiding wedge. A fitting clearance between the tongue and the groove includes a first fit... | 01/27/2004 |
| 6634609 | Universal accessory adapter for collapsible outdoor furniture A universal accessory adapter, which is adapted for attaching to a collapsible outdoor furniture, includes a supporting device for rigidly supporting an accessory item, at least a connector for detachably attaching the supporting device to a frame leg of ... | 10/21/2003 |
| 6575655 | Profile system The invention relates to a kit of threaded rods and tubes. The object of the invention is to develop a kit of threaded rods and tubes with which many combination possibilities of threaded rods with tubes and of tubes amongst one another is possible. This ... | 06/10/2003 |
| 6561912 | Drive shaft A shaft, in particular a drive shaft, for transferring torques, includes a basic member made of an elastic first material, and connecting pieces shaped at their ends for being received by the basic member and prevented by positive engagement from rotating... | 05/13/2003 |
| 6511254 | Joint The invention is based on a link joint with a first lever (10) which is constructed as a bent sheet metal part and which has, at one end, a trough (24) for receiving a bearing pin (14) and with a second lever (12) having a bearing eye (15) which encloses ... | 01/28/2003 |
| 6415829 | Wood planing machine that permits motor-driven height adjustment of a cutter carriage In a wood planing machine having rotatable screw rods and a cutter carriage with threaded members that engage the screw rods, a gear mounting seat is slidable along a drive shaft that is parallel to and that is rotatable with the screw rods. Upper and low... | 07/09/2002 |
| 6408587 | Structural members and associated parts A structural member, e.g. a truss for erection of temporary structures, comprises a number of elongate elements disposed in spaced generally parallel relationship to one another with transversely extending elements therebetween, and an element extending l... | 06/25/2002 |
| 6393685 | Microjoinery methods and devices A wafer level interconnecting mechanism for assembling and packaging multiple MEMS devices (modules), using microfabricated, interlocking, mechanical joints to interconnect different modules and to create miniature devices. Various devices can be fabricat... | 05/28/2002 |
| 6361244 | Hydroformed tubular structures and methods of making A hydroformed tubular structure includes at least two hydroformed members connected at a joint. At least one of said members includes a flattened portion having opposite sides in engagement. One of the sides engages and is secured to a mating portion of a... | 03/26/2002 |
| 6338592 | Article connector An article connector including an insertion seat having an insertion hole, an opening and a plurality of installation holes; an connection seat mounted with a mounting shaft to combine with the opening of the insertion seat, and having an engaging slot; a... | 01/15/2002 |
| 6322283 | Connection structure for a head tube and a handle securing rod of a bicycle A connection structure for a head tube and a handle securing rod of a bicycle, characterized in that a connection block is secured at a jacket within the head tube, and the center of the connection block is provided with a screw hole, and the head tube is... | 11/27/2001 |
| 6318926 | Pivot bearing provided on support structures formed of shaped bars A pivot bearing comprises a shaped bar having an outer circumferential surface provided with two oppositely arranged, longitudinally extending notches, and a sleeve arranged on the shaped bar and having an externally cylindrical surface and an inner circu... | 11/20/2001 |
| 6273176 | Interlocking liner for a casting shake-out unit A tumbling unit such as a casting shake-out unit, rotary media drum, sand reclaimer or the like, is provided. The tumbling unit includes a cylindrical outer shell and a cylindrical inner shell. The inner liner is formed of a series of interfitting segment... | 08/14/2001 |
| 6238129 | Mounting adapter for instrument holder A portable instrument holder for smaller instruments such as harmonicas is adapted for use with commonly available stands, such as microphone stands. This adapter is comprised of an adapter block that releasably engages an instrument holder. The adapter b... | 05/29/2001 |
| 6116108 | Roughened ring gear bearing surface A connection for preventing relative movement between coupled members in a clamped joint. In particular, ring gear/differential housing members are connected across a roughened surface finish providing protrusions and allow positive load transfer without ... | 09/12/2000 |
| 6098365 | Radius tongue and groove profile A tongue and groove profile for a construction panel wherein the tongue protrudes and extends outwardly from a first edge of the panel and has a chamfered head. The head expands from the chamfered edge to a neck and merges into a shoulder portion. The sho... | 08/08/2000 |
| 5938496 | Constructional pieces with deformable joints A constructional system provides a plurality of pieces that can be used to assemble an object. The object includes a connector piece having a shaft that includes opposing first and second ends, and a first deformable section including opposing first and s... | 08/17/1999 |
| 5928763 | Method for obtaining a tight, secure connection between interfitting members and the connection resulting therefrom A method for obtaining a tight, secure connection between two relatively non-deformable members and the connection resulting therefrom. The method includes the steps of forming a recess in a first of said members, forming a second member with a portion th... | 07/27/1999 |
| 5853313 | Constructional toy with deformable joints A constructional toy system provides a plurality of pieces that can be used to construct an object. Each piece has at least one section having opposing first and second notches, and a tongue defining a neck between the first and second notches, the tongue... | 12/29/1998 |
