Ink ribbon cassette for an electronic computer

Details Ink ribbon cassette for an electronic computer Ink ribbon cassette for an electronic computer

1987-08-24

1990-04-24

Largen, James R.

Printing and office machinery

Typewriter or calculator

Element or attachment

Patent

active

D03074382

REFERENCES:
patent: D266256 (1982-09-01), Grey
patent: D274178 (1984-06-01), Schiffmacher
patent: D275499 (1984-09-01), Akazawa
patent: D280210 (1985-08-01), Ledoux
patent: D280912 (1985-10-01), Kosaka
patent: D284389 (1986-06-01), Sheriek
patent: 4293234 (1981-10-01), Yonkers et al.
patent: 4388006 (1983-06-01), Waibel
patent: 4415285 (1983-11-01), Bury
patent: 4484825 (1984-11-01), Wilczewski et al.
patent: 4630948 (1986-12-01), Karns

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