Typewriter

Details Typewriter Typewriter

1984-02-13

1985-11-26

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Patent

active

D02815095

REFERENCES:
patent: D270070 (1983-08-01), Clayton et al.
patent: D273501 (1984-04-01), Kando et al.
patent: D275009 (1984-08-01), Shibata
patent: 4509874 (1985-04-01), Hira et al.

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