Printing and office machinery – Typewriter or calculator
Patent
1983-12-08
1986-02-11
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Patent
active
D02825511
REFERENCES:
patent: D273501 (1984-04-01), Kando et al.
patent: 4509874 (1985-04-01), Hira et al.
Haranishi Noriaki
Nibley Richard
Canon Kabushiki Kaisha
Zarfas Louis S,.
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