Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7334850 | Adaptable traction system of a vehicle A traction system for a vehicle has a support frame that defines a circular track belt support that is revolvable about an axis at its center, a flexible track belt; and a track belt stretching assembly comprising one or more track belt stretching rollers. The syste... | 02/26/2008 |
| 6994135 | Flexible non-pneumatic tire A non-pneumatic tire comprises circumferentially-spaced support elements joined together by an interconnection structure with the interposition of flexible joints, so as to ensure good overall operation. ... | 02/07/2006 |
