Measuring – testing – or signalling instruments – Clock or clock case – Changeable exhibitor – e.g. – digital type
Patent
1987-05-15
1990-10-30
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Changeable exhibitor, e.g., digital type
D10 26
Patent
active
D03116905
REFERENCES:
patent: D142431 (1945-09-01), Lewis
patent: D201452 (1965-06-01), Shipley
patent: D236091 (1975-07-01), D'Adda
patent: D242905 (1977-01-01), Eschenfeldt
patent: D255433 (1980-06-01), Anderson
patent: D259184 (1981-05-01), Francis
patent: D274703 (1984-07-01), Vogel
patent: D279268 (1985-06-01), Henkels
patent: D301839 (1989-06-01), Houlihan
patent: 4384416 (1983-05-01), Kanzelberger
Home Furnishings Daily-3/25/85-p. 162; Dig. Alarm Clock at left-top.
Cimtron Corp.
Holtje Nelson C.
Schulman Jerry A.
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