Typewriter

Details Typewriter Typewriter

1979-01-15

1980-12-30

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

D1801

Patent

active

D02577283

REFERENCES:
patent: D254319 (1980-02-01), Shiraishi
patent: 3754631 (1973-08-01), Wang et al.

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