U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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...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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Class 105/373 - Tiered crates and slides


Subclass of Class 105 - Railway rolling stock
Definition: Freight cars provided with vertical tiers of slides or crates
No. of patents: 1
Last issue date: 08/23/1977


NumberTitleIssue Date
4043462Loading plate structure adapted to be stacked
A loading plate structure adapted together with other loading plate structures of the same design to form a stack, which includes a preferably rectangular or square-shaped normally horizontal loading plate which at each of its corner sections has connecte...
08/23/1977
 
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