Measuring – testing – or signalling instruments – Watch – wristwatch or case – Combined
Patent
1989-01-05
1991-09-24
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Combined
Patent
active
D03201660
REFERENCES:
patent: 279518 (1883-06-01), Atwood et al.
patent: D293554 (1988-01-01), Sakamaki
patent: D294010 (1988-02-01), Douchet
patent: D294683 (1988-03-01), Perrin
patent: 2542284 (1951-02-01), Matson
patent: 2626736 (1953-01-01), Korth
Jeweler's Circular & Keystone, Avanti Watch, 10/87, p. 51.
Davis Antoine D.
Holtje Nelson C.
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