Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1997-10-17
1998-09-08
Davis, Antoine Duval
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 69, 1004
Patent
active
D03979466
REFERENCES:
patent: D238153 (1975-12-01), Johnson et al.
patent: D343363 (1994-01-01), Wright
patent: 582517 (1897-05-01), Bellows
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