Measuring – testing – or signalling instruments – Clock or clock case – Case having geometric configuration in front elevation
Patent
1987-08-21
1990-11-27
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Case having geometric configuration in front elevation
D10 18, D10 23, D10 1
Patent
active
D03124142
REFERENCES:
patent: D89087 (1933-01-01), Nathan
patent: D166297 (1952-04-01), Bruce
patent: D168521 (1952-12-01), Rodanet
patent: D241523 (1976-09-01), Felske
Adams Bruce L.
Holtje Nelson C.
Seikosha Co. Ltd.
Watson Gary D.
Wilks Van C.
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