Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1979-07-09
1981-10-27
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
D1004
Patent
active
D02614880
REFERENCES:
patent: D223196 (1972-03-01), Andreaggi
patent: D240409 (1976-07-01), Roberts
patent: D246767 (1977-12-01), Needham
patent: D256896 (1980-09-01), Kuramoto
Xerox Disclosure Journal-May/Jun. 1978-p. 175-Voltmeter.
Electronic Technician/Dealer-1/78-p. 40-Multimeter at bottom center.
Electronic Technician/Dealer-6/78-p. 23-Multimeters.
Lindsay James R.
Vedder Gene D.
Beckman Instruments Inc.
Holtje Nelson C.
Mehlhoff F. L.
Steinmeyer R. J.
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