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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 29/90.3 - Burnishing tool reciprocates across work surface


Subclass of Class 29 - Metal working
Definition: Process or apparatus in which the burnishing tool has a
No. of applications: 1
Last issue date: 03/27/2008


Application No.Application TitleIssue Date
20080072410Venetian plaster wall burnisher
An abrasive disk which burnishes synthetic Venetian plaster, a decorative wall and ceiling coating, to a high sheen. With the use of a 5ΒΌ orbital palm sander, the burnishing disc will increase productivity and ease of burnishing the otherwise flat sheen which is in nee...
03/27/2008
 
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