Ink ribbon cartridge

Details Ink ribbon cartridge Ink ribbon cartridge

1990-04-18

1993-02-23

Douglas, Alan P.

Printing and office machinery

Typewriter or calculator

Element or attachment

Patent

active

D03334821

REFERENCES:
patent: D188725 (1960-08-01), Wren
patent: D253312 (1979-10-01), Lenney et al.
patent: D253354 (1979-11-01), Lenney et al.
patent: D314971 (1991-02-01), Nakamura et al.
Office Products Dealer, Feb. 1980, p. 95, Ink Cartridge top left of page.

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