Printing and office machinery – Typewriter or calculator – Combined
Patent
1992-06-25
1994-10-04
Douglas, Alan P.
Printing and office machinery
Typewriter or calculator
Combined
D18 7, D10 77, D10 78
Patent
active
D03511855
REFERENCES:
patent: D308692 (1990-06-01), Sakaguchi et al.
patent: D317619 (1991-06-01), Sawada et al.
patent: D328891 (1992-08-01), Sakaguchi et al.
Matsuda Makoto
Onumata Yuichi
Casio Computer Co. Ltd.
Douglas Alan P.
Veynar Caron D.
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