Printing and office machinery – Typewriter or calculator – Calculator
Patent
1986-11-12
1989-09-26
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Calculator
Patent
active
D03036790
REFERENCES:
patent: D273201 (1984-03-01), Sakata
patent: D273304 (1984-04-01), Sakata
patent: D275770 (1984-10-01), Yamada
patent: D287139 (1986-12-01), Hayashi
patent: D289903 (1987-05-01), Kikuchi
Evans, 1983/84, p. 294, #10.
Iida Katsuhiro
Sakaguchi Hiroshi
Takahashi Toshiya
Holtje Nelson C.
Sharp Kabushiki Kaisha
Veynar Caron D.
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