William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7240760 | Steering apparatus A vehicle steering apparatus (10) includes a steering gear assembly (20) which is connected with a steerable vehicle wheel (12). A first sensor (26) has an output signal which is a function of steering wheel position. A second sensor (... | 07/10/2007 |
| 6877583 | Cable-type steering device with variable steering gear ratio A cable-type steering device in which the steering gear ratio can be varied in accordance with the position of a steering wheel comprises operating cables wound around an outer peripheral surface of a driving pulley rotatably connected to a steering wheel and an out... | 04/12/2005 |
| 6367575 | Motor vehicle steering system A steering system for motor vehicles, in which a steering member or steering wheel and the steered vehicle wheels are hydraulically positively coupled for the steering actuation of the wheels. An additional servo system is provided which is responsive to ... | 04/09/2002 |
| 6186265 | Arrangement for controlling the steering angle of a motor vehicle An arrangement controls the steering angle of a motor vehicle and the like which contains a user-controllable operating element and a vehicle longitudinal speed sensor system. A steering angle adjusting device is coupled with the longitudinal speed sensor... | 02/13/2001 |
| 6056081 | Mechanical front wheel drive axle for improved steering A steerable drive axle for improved steering is provided. The steerable drive axle includes a drive shaft housing and at least one axle shaft. A portion of the axle shaft is rotatably supported by a bearing in the drive shaft housing. The drive shaft hous... | 05/02/2000 |
| 5890558 | All-wheel steering mechanism for a cleaning vehicle A cleaning vehicle including an all-wheel steering mechanism. First, second and third wheels are mounted to the vehicle for rotation about respective first, second and third rotational axes and for pivotal movement about respective first, second and third... | 04/06/1999 |
| 5435407 | Hydrostatic manual vehicle steering system There is disclosed a steering system for a wheeled vehicle, particularly one with independent suspension of the steerable wheels, which is characterized by the lack of any necessity for a direct physical linkage between steering control arms of the left a... | 07/25/1995 |
| 4836577 | Automobile suspension An automobile suspension includes a suspension member coupled to a vehicle body, a disc-shaped actuator mechanism detachably supported on the suspension member, and a knuckle having a swingable support shaft swingably supported for swinging movement about... | 06/06/1989 |