Electronic dictionary

Details Electronic dictionary Electronic dictionary

1980-04-21

1982-04-20

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Calculator

D1801

Patent

active

D02639696

REFERENCES:
patent: D243958 (1977-04-01), Jinbo
HFD-Retailing Home Furnishings, 1/22/79, p. 37-Craig M100 at page bottom.
Commodore Flyer #C10147, Minuteman 1 Calculator.
Hewlett-Packard Flyer #5952-6077 D, 7/76, front cover-HP-67 at right.

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