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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 400/397 - With disconnection of type-bar action during movement thereof


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein a type-bar* of a typewriter
No. of patents: 1
Last issue date: 06/10/1980


NumberTitleIssue Date
4206702Constant pressure printing mechanism for hand labeler
A constant pressure printing mechanism for use with a hand labeler: an actuating lever, pivotally connected to the frame of the hand labeler, is divided into a hand lever and a printing lever, which are pivotally connected to each other; a printing head i...
06/10/1980
 
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