Granted Patent
Utility
US 5,756,996 · App. 08/675,966
Ion source assembly for an ion trap mass spectrometer and method
Inventors:
Mark E. Bier, John E. P. Syka, Dennis M. Taylor, William J. Fies
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Jul 5, 1996
Inventors
Mark E. Bier
John E. P. Syka
Dennis M. Taylor
William J. Fies
Assignee (at issue)
Finnigan Corporation
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.