Printing and office machinery – Typewriter or calculator – Calculator
Patent
1986-09-09
1989-10-10
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Calculator
Patent
active
D03039811
REFERENCES:
patent: D257045 (1980-09-01), Ikeda et al.
patent: D273502 (1984-04-01), Sakata
patent: D277681 (1985-02-01), Ishida
patent: D284200 (1986-06-01), Hayashi
patent: D289903 (1987-05-01), Kikuchi et al.
patent: D297950 (1988-10-01), Yubisui et al.
patent: D298545 (1988-11-01), Yoshioka et al.
patent: D298546 (1988-11-01), Yoshioka et al.
patent: D298548 (1988-11-01), Yoshioka et al.
patent: D299251 (1989-01-01), Endo et al.
Takemata Keiko
Yoshioka Eiichi
Canon Kabushiki Kaisha
Holtje Nelson C.
Veynar Caron D.
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