Measuring – testing – or signalling instruments – Clock or clock case – Changeable exhibitor – e.g. – digital type
Patent
1995-04-11
1997-01-28
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Changeable exhibitor, e.g., digital type
Patent
active
D03776093
REFERENCES:
patent: D288299 (1987-02-01), Mark
patent: D303771 (1989-10-01), Chan
patent: D320357 (1991-10-01), Mizukami
patent: D320944 (1991-10-01), Wada
patent: D333272 (1993-02-01), Peersmann
patent: D352463 (1994-11-01), Kybo
patent: D363434 (1995-10-01), Scali
patent: 4262842 (1981-04-01), Grover
Hong Kong Enterprise --Nov. 1987 --p. 108--Timers.
Hong Kong Enterprise--Jan. 1986--p. 19--Dig. Clock at bottom.
Holtje Nelson C.
Impex SA
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