Printing and office machinery – Typewriter or calculator
Patent
1982-06-07
1983-10-18
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
D1801
Patent
active
D02710242
REFERENCES:
patent: D155781 (1949-11-01), Clement
patent: D206295 (1966-11-01), Baughman
patent: D237109 (1975-10-01), Genaro et al.
patent: D252153 (1979-06-01), Boot
patent: D258663 (1981-03-01), Bellini
Mear, III William E.
SCM Corporation
Weinberger Ernest F.
Zarfas Louis S,.
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