Chan K. Yan

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Disc camera with handle grip cover
- Patent number 4,451,130
- Issue date May 29, 1984
- W. Haking Enterprises Limited
- Chan K. Yan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera for different speed films
- Patent number 4,217,042
- Issue date Aug 12, 1980
- W. Haking Enterprises Ltd.
- Chan K. Yan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film advancing mechanism
- Patent number 4,213,687
- Issue date Jul 22, 1980
- W. Haking Enterprises Limited
- Russell E. Hattis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY