Cartridge for a typewriter

Details Cartridge for a typewriter Cartridge for a typewriter

1978-10-10

1979-11-06

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Element or attachment

D1801

Patent

active

D02533545

REFERENCES:
patent: D141431 (1945-05-01), Bolsey
patent: D205807 (1966-09-01), Yamamura
patent: D245116 (1977-07-01), Trezise
patent: 3008661 (1961-11-01), Estes et al.
patent: 3354776 (1967-11-01), Smitzer et al.
patent: 4013160 (1977-03-01), Colecchi

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