Measuring – testing – or signalling instruments – Clock or clock case – Changeable exhibitor – e.g. – digital type
Patent
1992-08-13
1994-05-17
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Changeable exhibitor, e.g., digital type
D10 30
Patent
active
D03469670
REFERENCES:
patent: D229213 (1973-11-01), Sasaki
patent: D249649 (1978-09-01), Ohtani
patent: D328713 (1992-08-01), Tsukuda
patent: 3886725 (1975-06-01), Izawa
Housewares-Nov. 1982-p. 58-Clock at top-right.
Jewelers Circular-Keystone-Sep. 1984-p. 88-clock at top-left.
Holtje Nelson C.
Kline Michael J.
Sunbeam Corporation
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