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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 |
| 7438669 | Hand grip strengthening and competition apparatus A hand grip strengthening and competition apparatus includes first and second alarms and a power source carried by an elongate body. A first lever is mounted to the elongate body for pivotal movement between an open position and a closed position closing a first cir... | 10/21/2008 |
| 6722656 | Jousting apparatus The improved jousting apparatus includes two sticks which are joined together with a flexible rope-like connecting member which is anchored within the ends of the respective sticks. The connecting member is long enough to allow motion of the two sticks relative to e... | 04/20/2004 |
| 6666798 | Therapeutic and rehabilitation apparatus An apparatus adapted for coupling between an attendant positioned either behind or in front of a patient on an exercise assembly such as a treadmill for rehabilitation of a functionally impaired leg of the patient such as one suffering from paralysis. The... | 12/23/2003 |
| 6383083 | Pivoting uplift apparatus A pivoting uplift apparatus is provided which enables the user to utilize the device as a piece of playground or backyard play equipment commonly known as a see-saw. The apparatus includes a frame structure means, a user support means, and a user engageme... | 05/07/2002 |
| 5512028 | Fitness implement Applicant's invention is of an improved flywheel exerciser and of an improved handle for engaging the exerciser's cord. The cord segments on either side of the flywheel are securely engaged by pinch grip blades within the two handles' body. Because the co... | 04/30/1996 |
| 5360386 | Strength competition apparatus A strength competition apparatus for pitting the entire bodily strength of one competitor against that of another. Each competitor is seated and operates an advancer for advancing his/herself in a relative forward direction using the advancer to apply lev... | 11/01/1994 |
| 5318491 | Multiple mode tug of war exercise machine A tug of war machine is described which includes a belt loop which is pulled in a generally horizontal direction. The resistance placed on the loop can be selected to either provide a static pull or a hand-over-hand tug of war-type pulling exercise. Addit... | 06/07/1994 |
| 5284459 | Recreational apparatus for propelling two persons A recreational apparatus for propelling two or more persons with respect to each other. A handle is attached to each of opposite ends of an extendable link. The extendable link extends or stretches from an equilibrium position to an extended length upon a... | 02/08/1994 |
| 5060937 | Exercise and rehabilitative apparatus and method of exercising There is disclosed an exercise device consisting of two hinged planar parts with a holding strap for stabilizing the torso of the user during various exercises. The exercise device further comprises a pair of trapezoidal shaped back pad members for protec... | 10/29/1991 |
| 5009414 | Exercise shield device, diagnostic tool An exercise, diagnostic and training device and method for football players, sports players and the general public, comprising a generally elliptically-shaped peripheral member, a first support member, a second support member, a gripping member, and a plu... | 04/23/1991 |
| 5004226 | Apparatus for exercise of the human body An apparatus is disclosed for use in the exercise of the human body, which comprises a fiberglass pultruded shape of a predetermined oblong geometry with an elastic sheath formed about the exterior thereof over the length of the fiberglass pultruded shape... | 04/02/1991 |
| 4979732 | Exercise and rehabilitative apparatus and method of exercising There is disclosed an exercise device and method of using same. The device consists of two hinged planar parts with a holding strap. A user assumes a prone face-up position on the device with the pelvic area being encompassed by the strap thereby stabiliz... | 12/25/1990 |
| 4915396 | Gripping device for use in exercising or dancing A hand held device is provided for use in exercising and dancing. The device has two handles, a different one of which is grasped by each dance or exercise partner during use. A connecting strut extends between the handles. The device also has a swivel to... | 04/10/1990 |
| 4828253 | Two person exercise device A variable ratio multi-purpose exercise device for simultaneous use by two opponents in which the opponents transmit force and resistance to each other through a block and pulley combination which is so adjustable as to balance out strength difference bet... | 05/09/1989 |
| 4627617 | Exercise device with opponent supplied resistance An exercise device for use by two individuals wherein they can work out against one another rather than working alone against weights. The device includes a frame and pulley system through which a flexible cable is run. Handlebars are attached to each end... | 12/09/1986 |
| 4577857 | Simplified apparatus for use in arm wrestling or wrist pulling contests Apparatus for conducting arm wrestling (wrist pulling) contests between a pair of opposed contestants comprising a playing surface in which a lever arm is adapted for pivotal side-to-side motion. The opposed contestants each grip a laterally spaced portio... | 03/25/1986 |
| 4572511 | Tug-of-war game This invention comprises a tug-of-war game having a drum rotatably mounted on a stationary frame, with an elongated rope wrapped about the drum with free ends extended to opposite sides of the drum, with pull on one free end rotating the drum in one direc... | 02/25/1986 |
| 4176837 | Arm-wrestling apparatus A coin-operable amusement device which provides table equipment and scoring apparatus for arm wrestling contests. For each player there is provided an elbow cup, a fixed handle for the player's free hand, and a touch pad which actuates a scoring indicator... | 12/04/1979 |
| 4131275 | Arm wrestling device A device for use in contests in which two contestants attempt to force one another's forearm from a substantially vertical position to a substantially horizontal position. The device includes a base for resting upon a supporting surface. The contestants s... | 12/26/1978 |
| 4039185 | Indian-wrestling device Devices are disclosed for use in the sport of Indian wrestling. In such a contest each of two contestants is to stand at a prescribed place such as on areas marked on a board. Each contestant holding one side of the device attempts by moving the device to... | 08/02/1977 |
