Measuring – testing – or signalling instruments – Watch – wristwatch or case – Wrist type
Patent
1987-03-26
1990-10-30
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Watch, wristwatch or case
Wrist type
Patent
active
D03116930
REFERENCES:
patent: D93390 (1934-09-01), Graef
patent: D137330 (1944-02-01), Washam
patent: D258120 (1981-02-01), Muramatsu
patent: D295836 (1988-05-01), Campbell
patent: 1997511 (1935-04-01), Canepa
Jeweler's Circular--Keystone--9/75--p. 129--Watch at top.
Swiss Watch & Jewelry Journal--2/82--p. 269--Watch at top left.
European Jeweler--6/81--p. 46--Watch #50 at bottom left.
Hochberg D. Peter
Holtje Nelson C.
Kusner Mark
Weisz Louis J.
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