Combined electronic calculating machine and clock

Details Combined electronic calculating machine and clock Combined electronic calculating machine and clock

1979-02-14

1981-04-14

Zarfas, Louis S.

Printing and office machinery

Typewriter or calculator

Combined

D10 2, D18 7, D1801

Patent

active

D02588889

REFERENCES:
patent: D227261 (1973-06-01), Liljenwall
patent: D236269 (1975-08-01), Shu-Keung
patent: D251272 (1979-03-01), Hazama et al.
HFD-Retailing Home Furnishings, 6/5/1978, p. 55-EL.-5808, at top right.

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