| 8704171 |
Chemical ionization reaction or proton transfer reaction mass spectrometry |
Timothy R. Robinson, Mark Attwood, Xing Chen, William M. Holber, Mark Philip Longson +2 more |
2014-04-22 |
| 8334505 |
Chemical ionization reaction or proton transfer reaction mass spectrometry |
Timothy R. Robinson, Mark Attwood, Xing Chen, William M. Holber, Mark Philip Longson +2 more |
2012-12-18 |
| 8003935 |
Chemical ionization reaction or proton transfer reaction mass spectrometry with a quadrupole mass spectrometer |
Timothy R. Robinson, Mark Attwood, Xing Chen, William M. Holber, Mark Philip Longson +2 more |
2011-08-23 |
| 8003936 |
Chemical ionization reaction or proton transfer reaction mass spectrometry with a time-of-flight mass spectrometer |
Timothy R. Robinson, Mark Attwood, Xing Chen, William M. Holber, Mark Philip Longson +2 more |
2011-08-23 |
| 6239429 |
Quadrupole mass spectrometer assembly |
James Edward Blessing |
2001-05-29 |