Measuring – testing – or signalling instruments – Clock or clock case – Changeable exhibitor – e.g. – digital type
Patent
1979-09-27
1982-12-14
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Changeable exhibitor, e.g., digital type
D1001
Patent
active
D02672359
REFERENCES:
patent: D7850 (1874-11-01), Terry
patent: D19869 (1890-06-01), Morgan
Home Furnishings Daily-4/14/75-p. 36-Pendulum Clock at left of center.
Haller John L.
Holtje Nelson C.
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