Printing and office machinery – Typewriter or calculator – Combined
Patent
1986-04-11
1988-11-15
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Combined
D10 461
Patent
active
D02985446
REFERENCES:
patent: D244395 (1977-05-01), Garvey et al.
patent: D275937 (1984-10-01), Lederman
patent: D278059 (1985-03-01), Desrochers
patent: D294764 (1988-03-01), Fincke
MacDonald, Jr. George W.
Parking Madou
Zarfas Louis S,.
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