Typing ribbon cartridge

Details Typing ribbon cartridge Typing ribbon cartridge

1990-11-15

1994-11-29

Douglas, Alan P.

Printing and office machinery

Typewriter or calculator

Element or attachment

Patent

active

D03529533

REFERENCES:
patent: D271310 (1983-11-01), Canning et al.
patent: D281255 (1985-11-01), Nibley et al.
patent: D290715 (1987-07-01), Omino et al.
patent: D305243 (1989-12-01), Bellini
patent: D305549 (1990-01-01), Bellini
patent: 4175719 (1979-11-01), Speckman et al.

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