Typewriter

Details Typewriter Typewriter

1982-05-21

1984-02-28

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

D1801

Patent

active

D02728311

REFERENCES:
patent: D219718 (1971-01-01), Penney
patent: D237109 (1975-10-01), Genaro
patent: D249513 (1978-09-01), Zierhut
patent: D258957 (1981-04-01), Bevilacqua et al.

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