Zhao H. Chang

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Binghamton, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Cryogenic surgical instrument and method of manufacturing the same
- Patent number 5,573,532
- Issue date Nov 12, 1996
- Cryomedical Sciences, Inc.
- Zhao H. Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Closed circulation tissue warming apparatus and method of using the...
- Patent number 5,437,673
- Issue date Aug 1, 1995
- Cryomedical Sciences, Inc.
- John G. Baust
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE