Charles A. Keenan

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Irvine, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Capillary holder
- Patent number 5,900,132
- Issue date May 4, 1999
- Beckman Coulter, Inc.
- Charles A. Keenan
- G01 - MEASURING TESTING
Information Patent Grant
Electrophoretic system including means for replacing separation medium
- Patent number 5,635,050
- Issue date Jun 3, 1997
- Beckman Instruments, Inc.
- Stephen L. Pentoney
- G01 - MEASURING TESTING
Information Patent Grant
On-line process flow and reaction monitor
- Patent number 5,447,692
- Issue date Sep 5, 1995
- Beckman Instruments, Inc.
- Charles A. Keenan
- C40 - COMBINATORIAL CHEMISTRY
Information Patent Grant
Method and apparatus for negating measurement effects of interferen...
- Patent number 4,355,233
- Issue date Oct 19, 1982
- Beckman Instruments, Inc.
- Dale F. Warnke
- G01 - MEASURING TESTING