Printing and office machinery – Typewriter or calculator – Combined
Patent
1983-07-18
1986-10-07
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Combined
D14 53, D14 58
Patent
active
D02860554
REFERENCES:
patent: D246650 (1977-12-01), Peral-Hernandez
patent: D247198 (1978-02-01), Ohie
patent: D251843 (1979-05-01), Knoll et al.
patent: D264338 (1982-05-01), Sharp et al.
patent: D265087 (1982-06-01), Yamaguchi et al.
patent: D277478 (1985-02-01), Foggia et al.
Office Products Dealer, 2/1980, p. 82-Telephone Calculator at top left.
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