Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Regulator or control
Patent
1976-04-12
1978-02-21
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Regulator or control
D1004
Patent
active
D02472856
REFERENCES:
patent: D210803 (1968-04-01), Hill
patent: D216373 (1969-12-01), Hoyle
patent: D220919 (1971-06-01), Hill
patent: D237151 (1975-10-01), Taylor
Holtje Nelson C.
LaRue Adrian J.
Sunne Controls Division Peco, Inc.
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