Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Chemical
Patent
1978-07-28
1980-10-14
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Chemical
D10 46, D10 78, D1004
Patent
active
D02573318
REFERENCES:
patent: D147437 (1947-09-01), Folk
patent: D184440 (1959-02-01), Heyer
patent: D215493 (1969-09-01), Burridge
patent: D240609 (1976-07-01), Schwartz
patent: D248457 (1978-07-01), Cullinane
patent: D250178 (1978-11-01), Maxwell
Maxwell David E.
Radtke Lee F.
Shaffer James R.
Holtje Nelson C.
Newitt George B.
Sun Electric Corporation
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