Desk-top electronic calculator

Details Desk-top electronic calculator Desk-top electronic calculator

1984-11-19

1986-09-30

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Calculator

Patent

active

D02859343

REFERENCES:
patent: D269277 (1983-06-01), Yoshioka et al.
patent: D274822 (1984-07-01), Yamagami et al.
patent: D279109 (1985-06-01), Yubisui et al.
HFD-Retailing Home Furnishings, 3/30/81, section one p. 48-Solar Calculator at top.
Merchandising, 10/1983, p. 23-Sharp Calculator at upper center.

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