Typewriter

Details Typewriter Typewriter

1977-09-06

1979-10-16

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

D1801

Patent

active

D02531780

REFERENCES:
patent: D189999 (1961-03-01), Jaworski et al.
patent: D232583 (1974-08-01), Abend et al.
patent: D232585 (1974-08-01), Bienkowski et al.
patent: D234057 (1975-01-01), Bienkowski et al.
The Washington Post, Thurs., Mar. 25, 1976, p. D17, Sears, "Communicator 1" Typewriter Advertisement.

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