Measuring – testing – or signalling instruments – Watch – wristwatch or case
Patent
1993-07-30
1996-03-26
Douglas, Alan P.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Patent
active
D03682293
REFERENCES:
patent: D295264 (1988-04-01), Takeichi
patent: D320750 (1991-10-01), Kawashima
Swiss Watch & Jewelry Journal, Feb. 1989, p. 471 p. 243.
European Jeweler, Jul. 1974 p. 57.
Swiss Watch and Jewelry Journal, Feb. 1986, p. 469.
Jewelers Circular--Keystone, Oct. 1983, p. 137.
Douglas Alan P.
Matta Cathron B.
MDM SA, Geneve
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