Typewriter

Details Typewriter Typewriter

1986-09-11

1989-01-03

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Patent

active

D02992493

REFERENCES:
patent: D190256 (1961-05-01), Covey
patent: D278247 (1985-04-01), Miyamoto et al.
patent: D281252 (1985-11-01), Kato et al.
patent: D290615 (1987-06-01), Yamamoto
patent: D290849 (1987-07-01), Gubbe et al.
patent: D291323 (1987-08-01), Kasagi et al.

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