Printing and office machinery – Typewriter or calculator
Patent
1984-02-06
1985-11-05
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Patent
active
D02812533
REFERENCES:
patent: D257771 (1981-01-01), Dargatz
patent: D270545 (1983-09-01), Metzner
Smith-Corona Flyer CPE 0787 Printed 4/1982, TypgTromc II Typewriter.
Mear, III William E.
SCM Corporation
Weinberger Ernest F.
Zarfas Louis S,.
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