Printing and office machinery – Typewriter or calculator – Combined
Patent
1983-10-05
1985-06-11
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Combined
D 8395, D18 7, D19 65
Patent
active
D02791978
REFERENCES:
patent: D201111 (1965-05-01), Fleming
patent: D253438 (1979-11-01), Markley
patent: 2782482 (1957-02-01), Baril et al.
Jewelers' Circular-Keystone, 3/76, p. 58--Pulsar Calculator Watch at top center.
Dah Sun Electronics Company Limited
Zarfas Louis S,.
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