Measuring – testing – or signalling instruments – Clock or clock case – Case having geometric configuration in front elevation
Patent
1987-09-30
1991-09-03
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Case having geometric configuration in front elevation
Patent
active
D03195899
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European Jeweler, 1/1973, p. 83, Clock at bottom right.
Hong Kong Enterprise, 7/1987, p. 97, Clocks SC-27Q and SC-28Q.
Frommherz Christian
Kussmaul Ewald
Unruh Siegfried
Holtje Nelson C.
Junghans Uhren GmbH
Watson Gary D.
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