Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1999-03-24
1999-10-05
Davis, Antoine Duval
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
D10103, 1004
Patent
active
D04147111
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patent: 4987400 (1991-01-01), Fekete
Rochester Gauges, Inc., Magnetel Liquid-Level Gauges, 6300 Series, Technical Data Sheet, 2 pages.
Rochester Gauges, Inc., Industrial Liquid Level Gauges, Specifications Brochure, 12 pages (undated).
Davis Antoine Duval
Rochester Gauges, Inc.
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