Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1980-10-06
1983-02-22
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Element or attachment
D1801
Patent
active
D02680343
REFERENCES:
patent: D232125 (1974-07-01), Lee
patent: D244965 (1977-07-01), Trezise et al.
patent: D262414 (1981-12-01), Long et al.
General Ribbon Corporation
Zarfas Louis S,.
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