Granted Patent
Utility
US 6,403,955 · App. 09/559,245
Linear quadrupole mass spectrometer
Inventor:
Michael W. Senko
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Apr 26, 2000
Inventor
Michael W. Senko
Assignee (at issue)
Thermo Finnigan LLC
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.