Ivan W.K. Shum

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Hong Hong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Camera film cassette assembly apparatus and method
- Patent number 6,751,407
- Issue date Jun 15, 2004
- Hi-Lite Camera Company Limited
- Ivan W. K. Shum
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic film package with detachable cartridge
- Patent number 6,522,835
- Issue date Feb 18, 2003
- Hi-Lite Camera Company Limited
- Bangly K. W. So
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Camera film cassette assembly apparatus and method
- Publication number 20030161627
- Publication date Aug 28, 2003
- Ivan W.K. Shum
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Photographic film package with detachable cartridge
- Publication number 20010041066
- Publication date Nov 15, 2001
- Bangly K.W. So
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY