Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1985-09-06
1987-06-02
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Element or attachment
D14114
Patent
active
D02901331
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
patent: D284673 (1986-07-01), Wang
patent: D285795 (1986-09-01), Chandler et al.
International Business Machines - Corporation
Letson Laurence R.
Zarfas Louis S,.
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