Measuring – testing – or signalling instruments – Clock or clock case – Changeable exhibitor – e.g. – digital type
Patent
1977-09-22
1980-06-17
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Changeable exhibitor, e.g., digital type
D1001
Patent
active
D02554321
REFERENCES:
patent: D241771 (1976-10-01), Yamamura
Home Furnishing Daily--7/14/75-Sec. 2-p. 40-Digital Clock at bottom-center.
European Jeweler--9/73-p. 136-Digital Clock at top.
Fairchild Camera and Instrument Corp.
Holtje Nelson C.
MacPherson Alan H.
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