Wai Lam William Yim

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Waterproof camera case with a lock mechanism
- Patent number 8,544,643
- Issue date Oct 1, 2013
- Zear Corporation Limited
- Wai Lam William Yim
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
User-configurable waterproof camera case
- Patent number 8,374,495
- Issue date Feb 12, 2013
- Sanwa Technologies Limited
- Wai Lam William Yim
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY