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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 |
| 7762903 | Removable insert for a bowling ball A bowling ball thumb insert has a first and second sleeve. The second sleeve is retained in the first sleeve. The first sleeve has a coupling mechanism including a ledge extending radially inward towards the center of the sleeve. A positioning gap is adjacent the le... | 07/27/2010 |
| 7220186 | Bowling ball insert providing finger tip gripping A finger grip system is provided for obtaining maximum rotation and a resulting pronounced hook when releasing a bowling ball. The system includes drilled holes for receiving a bowler's middle finger, ring finger and thumb, the holes being spaced such that only fing... | 05/22/2007 |
| 7048636 | Insert apparatus for a bowling ball, and method of using same An insert apparatus for a bowling ball enables a bowler to quickly and easily change thumb and/or finger hole inserts in the ball on-site at a bowling location. The insert apparatus includes a socket member for substantially permanent installation in a bowling ball.... | 05/23/2006 |
| 6736734 | Bowling ball finger grip A finger grip has a resilient tubular body which is adapted to be inserted into a finger hole of a bowling ball. The insert has a generally cylindrical inner wall surface with a pair of opposing gripping surfaces at each end of the insert. Thus, the insert provides ... | 05/18/2004 |
| 6537409 | Finger tape for aiding bowling Disclosed is a finger tape for aiding bowling. The thumb, the middle finger and the ring finger are inserted into holes formed in a bowling ball. Upon bowling, a player grips the ball by inserting the thumb, the middle finger and the ring finger into the ... | 03/25/2003 |
| 6238297 | Bowling ball thumb sleeve A bowling ball thumb sleeve provides an elongated sleeve having a cylindrical wall thickness composed of a yieldable material that defines an open-ended passageway adapted to insertably receive the thumb of the bowler via either end of the sleeve as oppos... | 05/29/2001 |
| 6142881 | Anatomically configured finger inserts for a bowling ball A precise, anatomically configured finger insert for the holes of a bowling ball conforms to the exact size and shape of the bowler's fingers prior to the insert being set into the pre-drilled holes of the bowling ball. The inserts are formed from a soft,... | 11/07/2000 |
| 5930741 | Accurate, rapid, reliable position sensing using multiple sensing technologies In accordance with the subject invention, devices and methods are provided for the accurate reporting of movement of an entity. Sensors which are accurate, but provide a delayed signal ("delayed signal sensors"), which delay is unacceptable for many appli... | 07/27/1999 |
| 5813918 | Method of exactly duplicating in a new bowling ball, the thumb-hole of a reference bowling ball A improved, and simplified method of producing a finger or thumb hole (gripping hole) copied from an existing reference hole in a bowling ball. The essential improvement in this invention being an improved method of replicating a reference hole of a bowli... | 09/29/1998 |
| 5800276 | Bowling ball insert An insert system for the finger and thumb holes of a bowling ball and a method for installing the insert system. The insert system includes a master that is bonded inside each of the holes. A number of inserts are provided having different internal diamet... | 09/01/1998 |
| 5769730 | Bowling ball fingertip positioner The present invention provides an improved bowling ball and an insert for a bowling ball for use in a finger hole of a bowling ball. According to the present invention, a fingertip positioner in a finger hole of a bowling ball positions the pad of the fin... | 06/23/1998 |
| 5704843 | Bowling accessory An insert for the thumb or finger holes of a bowling ball is provided. The insert has a thumb or fingerpad of a material selected to provide good grip. The remainder of the insert is of a material selected to allow the unimpeded withdrawal of a thumb or f... | 01/06/1998 |
| 5592401 | Accurate, rapid, reliable position sensing using multiple sensing technologies In accordance with the subject invention, devices and methods are provided for the accurate reporting of movement of an entity. Sensors which are accurate, but provide a delayed signal ("delayed signal sensors"), which delay is unacceptable for many appli... | 01/07/1997 |
| 5542660 | Hand held spherical gaming device A spherical gaming device to be held by hand, made out of different materials, having a central core, wherein the central core consists of a removable ball with variable weight and this central core is housed into a first and a second hemispherical hollow... | 08/06/1996 |
| 5498209 | Auto-adjusting finger inserts for a bowling ball A simple and inexpensive bowling ball finger hole insert provides a firm finger grip that automatically adjusts to accommodate changes in a bowler's finger diameter. The insert has a substantially cylindrical shape and is manufactured from an elastomer su... | 03/12/1996 |
| 5456016 | Gauge to indicate a correct alignment for the thumb hole of a bowling ball A gauge for indicating the correct alignment for a thumb hole of a bowling ball having a ring with a circular abutment section having a central axis, the ring having an aperture through the opening inside the abutment section, the ring also having a circu... | 10/10/1995 |
| 5391117 | Bowling ball A bowling ball having at least one recess, and an insert generally filling said recess and formed of material molded about the fingers of the user of the ball to provide finger holes formed in said insert corresponding precisely to the size, spacing and c... | 02/21/1995 |
| 5176378 | Finger insert for a bowling ball A finger hole insert for a bowling ball which is formed of a resilient tubular body and is adapted to be inserted into a finger hole. The insert has a generally cylindrical inner wall surface defining first and second finger openings at opposite terminal ... | 01/05/1993 |
| 5172910 | Method and apparatus for improving bowling ball control A method and apparatus for providing finger and thumb protection and enhanced control by the fingers and thumb of a bowler utilizing a bowling ball which has finger and thumb holes drilled in it in which the fingers and thumb of the bowler are protected b... | 12/22/1992 |
| 5074553 | Bowling ball A bowling ball includes a spherical inner core and an outer shell. An annular weight block is mounted symmetrically on a mid-plane of the inner core and is axi-symmetric about a centerline passing through the geometric center of the spherical body. An ecc... | 12/24/1991 |
| 5002277 | Finger insert for a bowling ball An improved bowling ball insert includes a generally cylindrical body and an interior cavity formed therein. The shape of such cavity is partially defined by a generally planar first surface, by a curved surface and by a generally planar second surface. T... | 03/26/1991 |
| 4890836 | Bowling ball insert An insert that can be installed in a finger or thumb hole in a bowling ball after the existing hole has been enlarged includes a cylindrical tube of a resilient material. The space inside the tube is divided by a plenum and one end of the tube is closed b... | 01/02/1990 |
| 4328968 | Protective pad for the thumb hole of a bowling ball A protective pad to be secured within the thumb hole of a bowling ball on the side opposite from that gripped tightly by the thumb, comprising a resilient synthetic resin foam member having a right parallelepiped configuration except for one tapered edge,... | 05/11/1982 |
| 4257165 | Thumb pitch compensating span gauge A span gauge for measuring the distance between a thumb hole and a finger hole on a bowling ball comprised of a plate having a curved edge fitting the contour of the bowling ball and an angle positioning post pivotally attached to the edge of the plate. T... | 03/24/1981 |
| 4256305 | Handle-equipped bowling ball A handle-equipped bowling ball comprising a spherical ball body provided with a pair of parallel, spaced-apart bores which are symmetrically disposed with respect to the center of the ball. In the surface of the ball there is a channel that extends betwee... | 03/17/1981 |
| 3976293 | Bowling pocket pool game A game of bowling in which the field of play is in the form of an oversize pocket pool table, with a cue ball and numbered target balls. The players wear shoes mounted on a high platform sole and heel and manually bowl the cue ball at the target ball to d... | 08/24/1976 |
