David E. Hatcher

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus useful for detecting bloodgroup antigens and a...
- Patent number 5,905,028
- Issue date May 18, 1999
- Gamma Biologicals, Inc.
- Thomas H. Frame
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus useful for detecting bloodgroup antigens and a...
- Patent number 5,665,558
- Issue date Sep 9, 1997
- Gamma Biologicals, Inc.
- Thomas H. Frame
- G01 - MEASURING TESTING