Measuring – testing – or signalling instruments – Clock or clock case – Changeable exhibitor – e.g. – digital type
Patent
1987-08-21
1991-06-18
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Changeable exhibitor, e.g., digital type
D10 22
Patent
active
D03175766
REFERENCES:
patent: D258725 (1981-03-01), Hocq
patent: D261993 (1981-11-01), Lubs
patent: D264442 (1982-05-01), Diskin
patent: D264443 (1982-05-01), Diskin
patent: D270335 (1983-08-01), Lam
patent: D278313 (1985-04-01), Progin
patent: D278889 (1985-05-01), McCain
Aoki Sanae
Konoike Tsunataka
Holtje Nelson C.
Tanaka Manufacturing Company Limited
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