Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1978-07-27
1980-08-26
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
D10 75, D1004
Patent
active
D02565668
REFERENCES:
patent: D194677 (1963-02-01), Pickering
patent: D202702 (1965-11-01), Wise
patent: D202922 (1965-11-01), Huntsman
patent: D238562 (1976-01-01), Sylvester
patent: 3428888 (1969-02-01), Nolte
patent: 3986106 (1976-10-01), Shuck
Wilson Winthrop E.
Zephir Henry K.
Holtje Nelson C.
Neal Alonzo L.
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