Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1990-05-11
1993-01-26
Holtje, Nelson C.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D03327957
REFERENCES:
patent: D305243 (1989-12-01), Bellini
patent: D305549 (1990-01-01), Bellini
patent: D305907 (1990-02-01), Bellini
patent: D315902 (1991-04-01), Nakauma
patent: 4900171 (1990-02-01), Mueller et al.
Holtje Nelson C.
Hunt Ann
Ing. C. Olivetti & C. S.p.A.
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