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Santa Clara, CA, US
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last 30 patents
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Patent Grant
Endoscopic camera system integrated with a trocar sleeve
Patent number
6,527,704
Issue date
Mar 4, 2003
Stryker Corporation
William H. L. Chang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Endoscopic camera system with non-mechanical zoom
Patent number
6,224,542
Issue date
May 1, 2001
Stryker Corporation
William H. L. Chang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE