Calculating machine

Details Calculating machine Calculating machine

1978-06-19

1980-05-27

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Calculator

D28 83, D1801

Patent

active

D02551250

REFERENCES:
patent: D243250 (1977-02-01), Hazama
patent: D249822 (1978-10-01), Ohie et al.
Home Furnishings Daily, 6/2/75, p. 18--Sharp Model EL8009 at right center.

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