Measuring – testing – or signalling instruments – Watch – wristwatch or case – Wrist type
Patent
1988-03-11
1990-12-25
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Wrist type
Patent
active
D03131874
REFERENCES:
patent: D69576 (1926-03-01), Eppenstein
patent: D240411 (1976-07-01), Haber
patent: D266744 (1982-11-01), Genta
patent: D309576 (1990-07-01), Saurer
Swiss Watch & Jewelery Journal, 6/1979, p. 553, Watch-top center.
Swiss Watch & Jewelery Journal, 3/1980, p. 414, Watch-top right.
Jewelers' Circular-Keystone, 10/1983, p. 133, #E, far right.
Caran d'Ache S.A.
Holtje Nelson C.
Watson Gary D.
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