U.S. patents available from 1976 to present.
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Patent No. 6637447

Beerbrella

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

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Class 33/331 - With recorder


Subclass of Class 33 - Geometrical instruments
Definition: Device having means for making a discrete record of the
No. of patents: 2
Last issue date: 08/14/2007


NumberTitleIssue Date
7254896Inner bearing split axle assembly
A split axle assembly for obtaining gage measurements of a track including a first wheel with a first split axle, a second wheel with a second split axle, a first bearing for rotatably receiving the first split axle, and a second bearing for rotatably receiving the ...
08/14/2007
5174038Method and apparatus for profiling terrain
A terrain profiling apparatus for quick and inexpensive profiling of relatively large areas of ground. A prime mover pulls a sled across a terrain to be profiled. A gyroscope on the sled indicates slope and a measuring device records distances moved. Slop...
12/29/1992
 
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