U.S. patents available from 1976 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 239/666 - Adjustable deflector


Subclass of Class 239 - Fluid sprinkling, spraying, and diffusing
Definition: Apparatus comprising a selectively adjustable member which
No. of applications: 3
Last issue date: 01/26/2012


Application No.Application TitleIssue Date
20120018546LAWN SPREADER HOPPER FLOW CONTROL APPARATUS
A control mechanism for a lawn spreader controls output flow of granular material out of the spreader hopper by adjusting the position of a control cable anchor point. The control mechanism includes a clamping portion for clamping to a tubular handle of the spreader. A ...
01/26/2012
20090108108Spreader
An apparatus (10) for distributing solid material such as manure or fertiliser is disclosed. The apparatus (10) has a container body (11) mounted to a chassis and conveying means (17) to move the material from a first end of the container bod...
04/30/2009
20060006256Combination drop and broadcast spreader
A spreader for distributing a material on a surface. In certain embodiments, the spreader may include a disk rotatable about an axis and having an upper surface extending substantially radially from the axis. A driver may operably connect to the disk to provide rotation...
01/12/2006
 
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