Printing and office machinery – Typewriter or calculator – Calculator
Patent
1986-10-10
1990-05-01
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Calculator
Patent
active
D03075958
REFERENCES:
patent: D235209 (1975-05-01), Baughman
patent: D245108 (1977-07-01), Pemberton
patent: D247522 (1978-03-01), Woithe
patent: D273303 (1984-04-01), Sakamoto
patent: D284200 (1986-06-01), Hayashi
patent: D287139 (1986-12-01), Hayashi
patent: D297947 (1988-10-01), Yubisui
Best, 1985/86, p. 307, #16.
Harada Mieko
Sakaguchi Hiroshi
Yubisui Takahisa
Holtje Nelson C.
Sharp Corporation
Veynar Caron
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