Electrical instrument

Details Electrical instrument Electrical instrument

1999-03-01

2000-05-30

Davis, Antoine Duval

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

1004

Patent

active

D04258037

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FCB International Co., Walnut Creek, Cal., brochure entitled "Electric Finder", undated, admitted prior art.

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