Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8038165 | Device for allowing a wheeled vehicle for individuals to be dragged in a folded configuration A foldable wheeled vehicle for individuals includes a main body, front and rear wheels joined on the body, and an anti-tip wheel joined on a rear end of the main vehicle body; the rear wheels will be in an immobilized state when the vehicle isn't in-use; the anti-ti... | 10/18/2011 |
| 7021986 | Bubble generating assembly A bubble producing assembly has a housing having an outlet, an air generator positioned on the housing, a bubble producing device positioned over the air generator, a first activator coupled to the air generator, a reservoir associated with the housing for storing a... | 04/04/2006 |
| 5342177 | Tire automatic pneumatic pump device An automotive bicycle tire pump is disclosed in which a cylinder and piston assembly rotates with the wheel rim and tire. The piston is reciprocated by contact with a stationary cam to provide pressurized air to the tire. When the proper tire pressure is ... | 08/30/1994 |
| 5269548 | Exercise trailer An exercise trailer for a handicapped person comprising a two-wheel bicycle trailer for towing behind a bicycle with one of the bicycle wheels driving a crank with pedals and stirrups to which the user's feet are attached. The rotation of the bicycle driv... | 12/14/1993 |
| 5253889 | All wheel drive vehicle An at least two-wheeled vehicle provided with a power source, a chain to transmit power from the source to a first wheel, and further device to transmit power from the first wheel to the second wheel. A torque-limiting clutch is provided in the mechanical... | 10/19/1993 |
| 5052705 | Controlled rotary power transfer apparatus and method for non-driven bicycle wheels and the like A power transfer apparatus for imparting drive motion to followers. The power transfer apparatus mechanically and rotatably communicates with a driven wheel of a vehicle and transfers rotary power to the non-driven wheel of a vehicle. The present inventio... | 10/01/1991 |
| 4875885 | Engine noise simulating device for a bicycle A noisemaker for bicycles and the like includes a housing having a shoulder and a resonator plate seated in the housing on the shoulder. The resonator plate is biased against the shoulder by a compressed spring. A resonator chamber extends from the should... | 10/24/1989 |
| 4700965 | Bubble apparatus for wheeled toy A child's toy for forming bubbles is illustrated as comprising a tricycle mounting a reservoir for holding a bubble forming liquid, a front wheel actuated dip-arm having a film support and movable between a first position in which the film support dips in... | 10/20/1987 |
