Printing and office machinery – Typewriter or calculator
Patent
1985-01-10
1987-06-30
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Patent
active
D02906155
REFERENCES:
patent: D257771 (1981-01-01), Dargatz
patent: D277968 (1985-03-01), Jolliffe
patent: D281509 (1985-11-01), Jolliffe
Ricoh & Company, Ltd.
Zarfas Louis S,.
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