Ribbon cassette

Details Ribbon cassette Ribbon cassette

1989-12-06

1991-09-10

Holtje, Nelson C.

Printing and office machinery

Typewriter or calculator

Element or attachment

D18 22

Patent

active

D03198375

REFERENCES:
patent: D275499 (1984-09-01), Akazawa
patent: 4801215 (1989-01-01), Paffhausen et al.
patent: 4850725 (1989-07-01), Walker et al.

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