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Priscilla Ti Ti Chan
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Kowloon, HK
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last 30 patents
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Patent Grant
Film pre-exposure apparatus and method
Patent number
6,370,338
Issue date
Apr 9, 2002
Foster Assets Corporation
Priscilla Ti Ti Chan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Film pre-exposure mechanism and method
Patent number
6,223,002
Issue date
Apr 24, 2001
Priscilla Ti Ti Chan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY