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Wing Root Limited
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Kwai Chung, New Territories, HK
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Patents Grants
last 30 patents
Information
Patent Grant
Water-resistant movement holder for a pocket watch
Patent number
6,322,246
Issue date
Nov 27, 2001
Wing Root Limited
Dominic Y. F. Leung
G04 - HOROLOGY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75190332 - AMBURG
Serial number
75190332
Filing date
Oct 31, 1996
Wing Root Limited
8 - Hand tools and implements (hand-operated)
Information
Trademark
75190329 - AMBURG
Serial number
75190329
Filing date
Oct 31, 1996
Wing Root Limited
14 - Precious metals and their alloys and goods in precious metals or coated therewith, not included in other classes
Information
Trademark
75190331 - AMBURG
Serial number
75190331
Filing date
Oct 31, 1996
Wing Root Limited
18 - Leather and imitations of leather, and goods made of these materials and not included in other classes