Ink ribbon cartridge

Details Ink ribbon cartridge Ink ribbon cartridge

1988-05-11

1991-02-26

Holtje, Nelson C.

Printing and office machinery

Typewriter or calculator

Element or attachment

Patent

active

D03149714

REFERENCES:
patent: 4269520 (1981-05-01), Gabler
Research Disclosure; Jun. 1987; No. 278; Disposable Paper Shield Integrel with Ribbon Cartridge Assembly; disclosed anonymously.

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