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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 472/115 - Collapsible


Subclass of Class 472 - Amusement devices
Definition: Amusement device wherein the seesaw includes specific means
No. of patents: 1
Last issue date: 11/04/1986


NumberTitleIssue Date
4620843Child's construction toy
A constructional toy is disclosed which may be assembled in numerous different configurations employing four basic components which include a triangularly-shaped component, a rectangularly-shaped component and two elongated board components. A pair of whe...
11/04/1986
 
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