Clock with audio signal generator

Details Clock with audio signal generator Clock with audio signal generator

1999-04-05

2000-05-16

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Clock or clock case

Changeable exhibitor, e.g., digital type

1001

Patent

active

D0424950&

REFERENCES:
patent: D283403 (1986-04-01), Chan
patent: D301839 (1989-06-01), Houlihan
patent: D363432 (1995-10-01), Wong
patent: D390133 (1998-02-01), Jordan
patent: 3882670 (1975-05-01), Woolley
patent: 4260855 (1981-04-01), Rubinstein
patent: 5122996 (1992-06-01), Sasaki et al.
patent: 5140564 (1992-08-01), Rich
patent: 5815554 (1998-09-01), Burgess et al.
Hong Kong Enterprise--Sep. 1984--p. 34--Timers.
Hong Kong Household-Aug. 1984--p. 58--Timer.
Hong Kong Enterprise--Sep. 1984--p. 239--Timer.

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