Granted Patent
Utility
US 5,729,014 · App. 08/678,742
Method for injection of externally produced ions into a quadrupole ion trap
Inventors:
Alex Mordehai, Sidney E. Buttrill, Jr.
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Jul 11, 1996
Inventors
Alex Mordehai
Sidney E. Buttrill, Jr.
Assignee (at issue)
Varian, 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.