U.S. patents available from 1976 to present.
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Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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Class 441/20 - Reflecting means


Subclass of Class 441 - Buoys, rafts, and aquatic devices
Definition: Buoy wherein the attention directing device includes a surface
No. of applications: 1
Last issue date: 07/30/2009


Application No.Application TitleIssue Date
20090191775Target Marker Buoy
A marker buoy and system for using the same is disclosed. The marker buoy includes an anchor line and a plurality of panels spaced along the anchor line. The panels are configured to provide a guiding illustration to a user of a sonar imaging device.... 		07/30/2009
 
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