Printing and office machinery – Typewriter or calculator – Calculator
Patent
1987-11-17
1990-06-12
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Calculator
Patent
active
D03085333
REFERENCES:
patent: D255246 (1980-06-01), Yoshioka et al.
patent: D256700 (1980-09-01), Ohie
patent: D257990 (1981-01-01), Hirata et al.
patent: D276625 (1984-12-01), Kikuchi et al.
patent: D279104 (1985-06-01), Satake
patent: D279108 (1985-06-01), Sawada
patent: D279110 (1985-06-01), Takahashi
patent: D280418 (1985-09-01), Hayashi et al.
patent: D281886 (1985-12-01), Sawada et al.
Kawamura Masaki
Sakaguchi Hiroshi
Holtje Nelson C.
Sharp Corporation
Veynar Caron D.
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