Measuring – testing – or signalling instruments – Clock or clock case – Changeable exhibitor – e.g. – digital type
Patent
1993-02-05
1995-02-28
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Changeable exhibitor, e.g., digital type
D10 18, D10 28
Patent
active
D03558576
REFERENCES:
patent: D301309 (1989-05-01), Houlihan
patent: D301839 (1989-06-01), Houlihan
patent: D309572 (1990-07-01), Suzuki
patent: D318019 (1991-07-01), van Lelyveld
patent: D321662 (1991-11-01), Wada
patent: 4390289 (1983-06-01), Houlihan
Hong Kong Enterprise--Jul. 1988--p. 307--Clocks at bottom.
Hong Kong Enterprise--Jul. 1988--p. 165--Clocks at top-left.
Crutcher William C.
Holtje Nelson C.
Timex Corporation
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