Calculator

Details Calculator Calculator

1982-03-24

1985-02-19

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Calculator

Patent

active

D02776812

REFERENCES:
patent: D247522 (1978-03-01), Woithe
patent: D257045 (1980-09-01), Ikeda et al.
patent: D258892 (1981-04-01), Ohie et al.
Solarex Reprint From Jewelers' Circular-Keystone, 3/1977 p. 1977--Solar Calculator at left on cover page.
HFD-Retailing Home Furnishings, 6/1/1981 Section A, p. 9--Solar Calculator at bottom center.

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