Printing and office machinery – Typewriter or calculator
Patent
1982-09-29
1985-03-05
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Patent
active
D02778700
REFERENCES:
patent: D230510 (1974-02-01), Sakow
patent: D231264 (1974-04-01), Sakow
patent: D235167 (1975-05-01), Sakow
patent: D253178 (1979-10-01), Osit
patent: D253658 (1979-12-01), Fossella et al.
Tomlin Richard A.
Xerox Corporation
Zarfas Louis S,.
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