Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1999-12-17
2000-10-03
Davis, Antoine Duval
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
1004
Patent
active
D04314794
REFERENCES:
patent: 1272069 (1918-07-01), McMillan
patent: 3516171 (1970-06-01), Martin
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