CK

Charles A. Keenan

BI Beckman Instruments: 3 patents #84 of 431Top 20%
DA Danaher: 1 patents #1,463 of 2,950Top 50%
Overall (All Time): #1,282,756 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5900132 Capillary holder Stephen L. Pentoney, Jr., Brian David Peterson, Jack D. McNeal 1999-05-04
5635050 Electrophoretic system including means for replacing separation medium Stephen L. Pentoney, Jr., Brian David Peterson, James C. Osborne 1997-06-03
5447692 On-line process flow and reaction monitor Peter J. Coassin, David B. Helphrey, Roger Winer, Jiunn-Jye Dih 1995-09-05
4355233 Method and apparatus for negating measurement effects of interferent gases in non-dispersive infrared analyzers Dale F. Warnke, Carl N. Cederstrand 1982-10-19