Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1982-08-25
1985-03-05
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D02778335
REFERENCES:
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patent: D167945 (1952-10-01), Larson
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patent: D205897 (1966-10-01), Anello
patent: D207668 (1967-05-01), McAtee
patent: D225019 (1972-10-01), Oberheim
patent: D228670 (1973-10-01), Hall
patent: D232759 (1974-09-01), Hall
patent: D259925 (1981-07-01), Palmer
patent: 2369988 (1945-02-01), Steckler
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