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Kowloon, HK
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last 30 patents
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Patent Grant
Self-deploying tubular enclosure
Patent number
6,363,955
Issue date
Apr 2, 2002
Billwin Auto Accessories, Ltd.
Wai Hang Louie
E04 - BUILDING
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Patent Grant
Self-erecting, collapsible and foldable dome structure
Patent number
6,311,709
Issue date
Nov 6, 2001
Billwin Auto Accessories, Ltd.
Wai Hang Louie
E04 - BUILDING