Typewriter

Details Typewriter Typewriter

1988-07-19

1990-09-18

Holtje, Nelson C.

Printing and office machinery

Typewriter or calculator

Patent

active

D03106810

REFERENCES:
patent: D192759 (1962-05-01), Kondo
patent: D193916 (1962-10-01), Sundberg et al.
patent: D202481 (1965-10-01), Boothby et al.
patent: D231565 (1974-04-01), Sakow
patent: D253353 (1979-11-01), Jolliffe
patent: D259726 (1981-06-01), Bellini
patent: D280732 (1985-09-01), Gunzi
patent: D290849 (1987-07-01), Gubbe et al.
patent: 4565999 (1986-01-01), King et al.

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