Tony Ho Yin Yip

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
APS loyalty camera with locking film door and external key therefor
- Patent number 6,490,411
- Issue date Dec 3, 2002
- Concord Camera Corp.
- Giorgio Mazzacani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY