Card watch

Details Card watch Card watch

1987-10-21

1990-06-19

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Clock or clock case

Simulative

D18 7X

Patent

active

D03086380

REFERENCES:
patent: D159698 (1950-08-01), Viani
patent: D159701 (1950-08-01), Viani
patent: D216211 (1969-12-01), Vogt
patent: D227289 (1973-06-01), Eldon
patent: D235231 (1975-05-01), Mellberg
patent: D236589 (1975-09-01), Toyoshima
patent: D239438 (1976-04-01), Kawano
patent: D258740 (1981-03-01), Matsumoto
patent: D288675 (1987-03-01), Lee
patent: 2299913 (1942-10-01), Clough
patent: 3822545 (1974-07-01), Catto
Becker's Catalog, inside cover--World Time Clock at bottom.
Unisonic--Cat.--Card-Size Calculators at top-left.
Vogue--10/1/68--p. 33--World Clock.

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