Desk top electronic calculator

Details Desk top electronic calculator Desk top electronic calculator

1979-06-28

1981-10-27

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Calculator

D14106, D1801

Patent

active

D02615282

REFERENCES:
patent: D212784 (1968-11-01), Yoshida
patent: D233347 (1974-10-01), Beitler
Merchandising, 1/78, p. 17-Canola LC1014 at upper right.

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