Printing and office machinery – Typewriter or calculator
Patent
1988-12-19
1990-08-28
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Patent
active
D03102351
REFERENCES:
patent: D289177 (1987-04-01), Sawada
patent: D291092 (1987-07-01), Egli
patent: D294596 (1988-03-01), Gubbe et al.
patent: D298635 (1988-11-01), Tsukada
patent: D300146 (1989-03-01), Tsukada
patent: 4684275 (1987-08-01), Matsushita et al.
Koyama Keiichi
Sakaguchi Hiroshi
Holtje Nelson C.
Sharp Corporation
Veynar Caron D.
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