Printing and office machinery – Typewriter or calculator
Patent
1991-06-21
1993-04-20
Douglas, Alan P.
Printing and office machinery
Typewriter or calculator
Patent
active
D03349420
REFERENCES:
patent: D278829 (1985-05-01), Funato et al.
patent: D282178 (1986-01-01), Kasagi
patent: D301041 (1990-05-01), Kasprzycki
patent: D310681 (1990-09-01), Bratasevec
patent: D314584 (1991-02-01), Ivarson et al.
Douglas Alan P.
Hunt Ann
Sharp Kabushiki Kaisha
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