Measuring – testing – or signalling instruments – Clock or clock case – Changeable exhibitor – e.g. – digital type
Patent
1995-11-20
1997-10-21
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Clock or clock case
Changeable exhibitor, e.g., digital type
D10 6, D10 18, 1001
Patent
active
D03851974
REFERENCES:
patent: D255223 (1980-06-01), Odom
patent: D274703 (1984-07-01), Vogel
patent: D282912 (1986-03-01), Clepea
patent: D296876 (1988-07-01), Whatley
patent: D306143 (1990-02-01), Leung
patent: D319814 (1991-09-01), Hasegawa
patent: D329609 (1992-09-01), Wolff
patent: 2896033 (1959-07-01), Hartz
patent: 5008614 (1991-04-01), Shreeve
Page from a Pollyflame 1995 catalog showing a "Worldtime Clock" and a Calendar Clock.
Holtje Nelson C.
Pollyflame International B.V.
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