Printing and office machinery – Typewriter or calculator
Patent
1980-10-31
1982-10-26
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
D1801
Patent
active
D02666740
REFERENCES:
patent: D199705 (1964-12-01), Abend et al.
patent: D206467 (1966-12-01), Noyes
patent: D230510 (1974-02-01), Sakow
patent: D235115 (1975-05-01), Link
patent: D235167 (1975-05-01), Sakow
Mear, III William E.
SCM Corporation
Weinberger Ernest F.
Zarfas Louis S,.
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