Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1984-11-29
1986-08-26
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Element or attachment
D14114
Patent
active
D02853124
REFERENCES:
patent: D257345 (1980-10-01), Levy
patent: D273788 (1984-05-01), Ault
patent: D277851 (1985-03-01), Gresham et al.
patent: D281504 (1985-11-01), Davis et al.
patent: 4323979 (1982-04-01), Johnston
Jennings Jack H.
Mendel Peter J.
Dick William J.
International Business Machines - Corporation
Zarfas Louis S,.
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