Ribbon cartridge for typewriter

Details Ribbon cartridge for typewriter Ribbon cartridge for typewriter

1982-12-09

1985-01-15

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Element or attachment

Patent

active

D02771934

REFERENCES:
patent: D237010 (1975-09-01), Gnutzman et al.
patent: D239568 (1976-04-01), Sottsass, Jr.
patent: D245726 (1977-09-01), Sottsass
patent: D255567 (1980-06-01), Beitler

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