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 |
| 6971465 | Retractable stand for snowmobiles An apparatus is provided that raises the rear of a snowmobile while it is parked for purposes of storage, repair, and/or warming up. The apparatus is attached to the snowmobile and forms an integral part that goes everywhere with the snowmobile. An integral support ... | 12/06/2005 |
| 6769708 | Dual mode bicycle training aid The invention is a training aid which can be converted from training wheels to a support bar which allows a person to learn the skills necessary to operate the bicycle. The invention allows a rider to be stabilized by the ground in a first position and to allow a no... | 08/03/2004 |
| 6474670 | Bicycle balancing system A bicycle balancing system for assisting in the training of a child to ride a bicycle. The bicycle balancing system includes a bracket attachable to a post of a bicycle, a connecting tube removably attached to the bracket, an adjustment tube attached to t... | 11/05/2002 |
| 4917398 | Bicycle training handle A handle device for bicycles provides an adjustable rider training support point for training helpers. A handle and extension member is pivotally mounted to the rear axle and the pivoting motion conveniently places the handle proximate to the rider, avoid... | 04/17/1990 |
| 4541650 | Motorcycle ride-off stand A motorcycle ride-off stand having a generally U-shaped tubular housing which defines an internal open ended chamber. Mounted on the free end of each leg of the housing is a foot pad assembly. Each foot pad assembly is movable a limited amount in respect ... | 09/17/1985 |
| 4212480 | Convertible exercise bicycle A convertible exercising bicycle enabling oscillating the bicycle seat and rider, substantially up and down so as to exercise the rider's body by subjecting it to accelerations such as when riding a horse or in jogging or running. Means are provided to co... | 07/15/1980 |
| 4153268 | Cycle stabilizing accessory Apparatus for attachment as an accessory to a cycle such as a bicycle, for stabilizing the cycle upon rearward rotation thereof about the rear wheel when the front wheel is raised from the surface upon which the cycle is located. The apparatus comprises a... | 05/08/1979 |