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

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Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

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Class 297/268.2 - Transversely extending spring (e.g., torsion bar)


Subclass of Class 297 - Chairs and seats
Definition: Device wherein the elastic element is disposed from side
No. of patents: 1
Last issue date: 12/02/1980


NumberTitleIssue Date
4236752Rocker swivel assembly for chairs
A rocker swivel assembly for mounting a chair on a lower support for both rocking and swiveling movement of the chair. The assembly includes a one-piece plastic torsion bar unit having a center section and a pair of end sections. The end sections are secu... 		12/02/1980
 
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