Measuring – testing – or signalling instruments – Watch – wristwatch or case
Patent
1989-12-20
1992-06-23
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Patent
active
D03272249
REFERENCES:
patent: D289503 (1987-04-01), Ludvig
patent: D312792 (1990-12-01), Ratajski
European Jeweler Jun. 1988 p. 54 Watch at Right.
European Jeweler (G2)-Sep. 1986 p. 134-Watches at Right.
Holtje Nelson C.
Roventa-Henex SA
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