Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1985-04-04
1987-06-23
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D02904683
REFERENCES:
patent: D253978 (1980-01-01), Osit
patent: D259975 (1981-07-01), Labarbera
patent: D261153 (1981-10-01), Cathey
patent: D268457 (1983-04-01), Bellini
patent: D280732 (1985-09-01), Gunzi
Greene Lawrence D.
McCall Melvin D.
SCM Corporation
Zarfas Louis S,.
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