Granted Patent
Utility
US 6,441,369 · App. 09/712,882
Tandem time-of-flight mass spectrometer with improved mass resolution
Inventors:
Marvin L. Vestal, Stephen C. Gabeler
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Nov 15, 2000
Inventors
Marvin L. Vestal
Stephen C. Gabeler
Assignee (at issue)
PerSeptive Biosystems 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.