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 |
| 6241106 | Movable shelf A moving shelf assembly having moving shelf main bodies capable of moving by wheels attached to the lower portion and whose motion is guided by rails built on the top portion, stopper parts capable of moving up and down attached to the moving shelf main b... | 06/05/2001 |
