Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1980-04-30
1982-06-01
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
D1004
Patent
active
D02646919
REFERENCES:
patent: D216258 (1969-12-01), Connolly
patent: D234603 (1975-03-01), Snow
patent: D241726 (1976-10-01), D'Antonio
patent: D242776 (1976-12-01), Jakobsen
patent: D248457 (1978-07-01), Cullinane
patent: D249658 (1978-09-01), Fields
patent: 3350639 (1967-10-01), Hulman
patent: 3965418 (1976-06-01), Bauer
Telephony-4/9/79-p. 42-Signal Generator at lower-right.
Ind. Equip. News-6/79-p. 26-Factory Terminal at right-center.
Electronic Technician/Dealer-7/78-p. 18-TV-Analyzer Generator.
Volkland Charles
Zumbahlen, Jr. Louis H.
Halcyon, Inc.
Holtje Nelson C.
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