US PATENT SUBCLASS 356 / 956
.~ Using a ring laser (GO1P 3/36B)
Current as of:
June, 1999
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356 /
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OPTICS: MEASURING AND TESTING
955
DD
MEASURING LINEAR OR ANGULAR SPEED UTILIZING DEVICES CHARACTERIZED BY THE USE OF OPTICAL MEANS, E.G., USING INFRA-RED, VISIBLE, OR ULTRA-VIOLET LIGHT (GO1P 3/36)
{3}
956
.~ Using a ring laser (GO1P 3/36B)
