Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1984-11-29
1986-07-22
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Element or attachment
D14114
Patent
active
D02847701
REFERENCES:
patent: D229195 (1973-11-01), Goodale et al.
patent: D247116 (1978-01-01), Ebner et al.
patent: D263224 (1982-03-01), Peroni
patent: D268283 (1983-03-01), Hicks
Dick William J.
International Business Machines - Corporation
Zarfas Louis S,.
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