Measuring – testing – or signalling instruments – Watch – wristwatch or case – Wrist type
Patent
1988-07-13
1991-08-13
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Wrist type
Patent
active
D03190250
REFERENCES:
patent: D165599 (1952-01-01), Newhouse
Hong Kong Enterprise, 472W-A32G, 11/84, p. 194.
Switz Watch and Jewelery Journal, 3/85, p. 540.
Jeweler's Circular and Keystone, Watches, 7/87, p. 211.
Davis Antonie D.
Holtje Nelson C.
Roventa-Henex SA
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