Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Weight – force or density
Patent
1977-06-24
1979-03-20
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Weight, force or density
D1004
Patent
active
D02513714
REFERENCES:
patent: D122667 (1940-09-01), Graham
patent: D233693 (1974-11-01), Holtzman
patent: 2620656 (1952-12-01), Peterson
patent: 4085611 (1978-04-01), Schwartz
Geauque Robert E.
Holtje Nelson C.
Rite Autotronics Corporation
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