Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1991-01-09
1993-01-26
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D03327965
REFERENCES:
patent: D275404 (1984-09-01), Hashimoto
patent: D281258 (1985-11-01), Schiffmacher
patent: D284978 (1986-08-01), Kusabuka
patent: D285576 (1986-09-01), La Spesa
patent: D290715 (1987-07-01), Omino et al.
patent: D302438 (1989-07-01), Omino et al.
patent: D302827 (1989-08-01), Fujita
patent: D305548 (1990-01-01), Bellini
patent: D323341 (1992-01-01), Bellini
De Falco Gian F.
Prevignano Paolo
Tonengo Francesco
Holtje Nelson C.
Hunt Ann S.
Ing. C. Olivetti & C. S.p.A.
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