Printing and office machinery – Typewriter or calculator – Combined
Patent
1985-07-29
1988-05-31
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
Combined
D18 7, D19 65
Patent
active
D02959836
REFERENCES:
patent: D274127 (1984-06-01), Einhorn et al.
patent: D279197 (1985-06-01), Chan
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