Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1997-04-25
1998-09-01
Davis, Antoine Duval
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
1004
Patent
active
D03976300
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Industrial Liquid Level Gauges (Brochure), Rochester Gauges, Inc., Aug. 1993, 12 pages.
Rochester Gauges, Inc., Magnetic Liquid-Level Gauges for LP-Gas Service, 7300 Series, Technical Data Sheet, 2 pages.
Davis Antoine Duval
Rochester Gauges, Inc.
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