Time-of-flight/ion trap mass spectrometer, a method, and a computer program product to… Grant US-6777671-B2 United States of America 17 Aug 2004
Tandem mass spectrometry using a single quadrupole mass analyzer Grant US-6570153-B1 United States of America 27 May 2003
Multi-pass reflectron time-of-flight mass spectrometer Grant US-6013913-A United States of America 11 Jan 2000