Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Regulator or control
Patent
1977-10-25
1980-05-27
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Regulator or control
D10 50, D1004
Patent
active
D02551039
REFERENCES:
patent: D188347 (1960-07-01), Dreyfuss
patent: D193906 (1962-10-01), Briggs
patent: D205006 (1966-06-01), Federico
patent: D249652 (1978-09-01), McElroy
patent: 3999158 (1976-12-01), Rae
Blinn Clyde C.
Holtje Nelson C.
Honeywell Inc.
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