Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1997-04-14
1998-09-01
Davis, Antoine Duval
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
D10 71, D10 69, 1004
Patent
active
D03976270
REFERENCES:
patent: D244837 (1977-06-01), Thingstad et al.
patent: D268909 (1983-05-01), Doan
Davis Antoine Duval
Marrs Roger A.
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