U.S. patents available from 1976 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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Inventor: John A. Armstrong


Address: Fairview, KS
No. of patents: 2
Last patent issue date: 10/30/2012

NumberTitleIssue Date
8297878Curb and gutter forming machine
A curb forming machine for use by a single operator to form curved curbing includes a single rotatable curb-forming roller, a handle assembly for pulling and maneuvering the roller, and a motor for rotating the roller. The roller includes a generally cylindrical bod...
10/30/2012
7621694Curb and gutter forming method
A curb forming machine for use by a single operator to form curved curbing includes a single rotatable curb-forming roller, a handle assembly for pulling and maneuvering the roller, and a motor for rotating the roller. The roller includes a generally cylindrical bod...
11/24/2009
 
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