Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Patent
1985-03-28
1987-12-08
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
D10 71
Patent
active
D02930870
REFERENCES:
patent: D236885 (1975-09-01), Wallace
patent: D260974 (1981-09-01), Lesser
patent: 1508084 (1924-09-01), Collis
patent: 2607122 (1952-08-01), Overmyer
patent: 3535934 (1970-10-01), Rapata
patent: 4445370 (1984-05-01), Whitmire
patent: 4531293 (1985-07-01), Grinde
patent: 4550602 (1985-11-01), Burke
Haugen Orrin M.
Holtje Nelson C.
Nikolai Thomas J.
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