Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1996-03-14
1997-05-20
Davis, Antoine Duval
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
1004
Patent
active
D03793168
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Davis Antoine Duval
Rochester Gauges, Inc.
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