Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1991-10-01
1994-03-15
Feifer, Melvin B.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
D 9532, D 9547, D 9520, D 9505, D 9500, D10 96
Patent
active
D03451143
REFERENCES:
patent: D37907 (1906-03-01), Newell
patent: D264937 (1982-06-01), Groark
patent: D306558 (1990-03-01), Beaston
patent: 1277760 (1918-09-01), Seraphin
patent: 1377577 (1921-05-01), Hanson
patent: 2160754 (1939-05-01), Ross
patent: 2823540 (1958-02-01), Patch
patent: 4928514 (1990-05-01), Beaston
Evans, Jr. Lawrence E.
Feifer Melvin B.
Great Plains Industries Inc.
Lieberman Lucy
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