Granted Patent
Utility
US 6,809,312 · App. 09/570,797
Ionization source chamber and ion beam delivery system for mass spectrometry
Inventors:
Melvin Andrew Park, Houle Wang
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: May 12, 2000
Inventors
Melvin Andrew Park
Houle Wang
Assignee (at issue)
Bruker Daltonics, Inc.
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.