...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 |
| 4907814 | Self-adjusting bearing A self-adjusting bearing comprises an elongate body portion of compressible, resilient material of truncated conical shape with a central cylindrical bore formed therethrough. A plurality of independent segments of wear-resistant material are secured to t... | 03/13/1990 |
| 4363522 | Spindle for heavy duty truck or trailer axle An improved spindle is for a heavy duty truck or trailer axle of the type which includes a support for a wheel mounted thereon at a pair of axially disposed, independently mounted inner and outer tapered-roller bearing for rotation about an axis of the sp... | 12/14/1982 |
| 4360222 | Vehicle with pneumatic assembly for driving, braking, and reducing friction on bearings In a moving vehicle such as an automobile, compressed air is used for powering the vehicle, for minimizing friction in the wheel bearings so as to maintain the vehicle's momentum and decrease the amount of energy required for maintaining the vehicle at a ... | 11/23/1982 |