Printing and office machinery – Typewriter or calculator
Patent
1981-06-05
1983-08-16
Zarfas, Louis S.
Printing and office machinery
Typewriter or calculator
D1801
Patent
active
D02701685
REFERENCES:
patent: D215297 (1969-09-01), Yeager
patent: D258654 (1981-03-01), Levi
patent: D259347 (1981-05-01), Hirata et al.
patent: D263827 (1982-04-01), Pemberton
Industrial Design, 5/6, 1978, p. 25-Editing Keyboard at bottom.
Eslinger Lewis H.
Sony Corporation
Zarfas Louis S,.
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