Granted Patent
Utility
US 6,653,622 · App. 09/989,306
Ion fragmentation by electron capture in high-frequency ion traps
Inventor:
Jochen Franzen
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Nov 20, 2001
Inventor
Jochen Franzen
Assignee (at issue)
Bruker Daltonik GmbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.