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Power supply regulation using a feedback circuit comprising an AC and DC component |
— |
2010-12-07 |
| 7518104 |
Methods and apparatus for time-of-flight mass spectrometer |
— |
2009-04-14 |
| 7518107 |
Methods and apparatus for time-of-flight mass spectrometer |
— |
2009-04-14 |
| 7491931 |
Power supply regulation using a feedback circuit comprising an AC and DC component |
— |
2009-02-17 |
| 6512225 |
Tandem time-of-flight mass spectrometer with improved mass resolution |
Marvin L. Vestal |
2003-01-28 |
| 6441369 |
Tandem time-of-flight mass spectrometer with improved mass resolution |
Marvin L. Vestal |
2002-08-27 |
| 5917184 |
Interface between liquid flow and mass spectrometer |
William W. Carson, Yin Liang F. Hsieh, Stephen A. Martin, Michael J. Tomany, Anotoli Verentchikov |
1999-06-29 |
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Method and apparatus for analyzing sample solutions |
Joseph A. Jarrell, Michael J. Tomany |
1996-06-18 |
| 5423661 |
Fluid metering, mixing and composition control system |
William W. Carson |
1995-06-13 |
| 4920255 |
Automatic incremental focusing scanner system |
— |
1990-04-24 |