Printing and office machinery – Typewriter or calculator
Patent
1989-06-05
1991-05-14
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Patent
active
D03168670
REFERENCES:
patent: D281252 (1985-11-01), Kato et al.
patent: D287734 (1987-01-01), Ooie et al.
patent: D291324 (1987-08-01), Miyamoto et al.
patent: D310350 (1990-09-01), Horie et al.
patent: 4519721 (1985-05-01), Gardner
Holtje Nelson C.
Sharp Corporation
Veynar Caron D.
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