Typewriter

Details Typewriter Typewriter

1979-02-09

1981-03-24

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

D1801

Patent

active

D02586657

REFERENCES:
patent: D207978 (1967-06-01), Noyes
patent: D252153 (1979-06-01), Boot
patent: D252171 (1979-06-01), Boot

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