Measuring – testing – or signalling instruments – Watch – wristwatch or case – Wrist type
Patent
1988-07-15
1991-08-13
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Wrist type
Patent
active
D03190285
REFERENCES:
patent: D270243 (1983-08-01), Porsche
patent: D286382 (1986-10-01), Matsuo
patent: D301986 (1989-07-01), Hysek
Swiss Watch and Jewelry Journal, Watches, 3/1977, p. 352.
Swiss Watch and Jewelry Journal, Watches, 1982, p. 656, vol. 6.
Bourquin Francis
Krieger Ira
Catena S.A.
Davis Antoine D.
Holtje Nelson C.
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