Combined wrist watch and calculator

Details Combined wrist watch and calculator Combined wrist watch and calculator

1986-05-09

1989-04-04

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Watch, wristwatch or case

Combined

D10 32, D10 38

Patent

active

D03005143

REFERENCES:
patent: D236592 (1975-09-01), Portmann
patent: D295965 (1988-05-01), Murphy
patent: D296083 (1988-06-01), Morishima
patent: D296675 (1988-07-01), Jones
patent: D297312 (1988-08-01), Ishizaka
patent: D297416 (1988-08-01), Saito
Merchandizing-3/82-p. 5-Computer/watch at center right.
Hong Kong Enterprises-Watch at top-left.

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