Granted Patent
Utility
US 4,535,235 · App. 06/492,473
Apparatus and method for injection of ions into an ion cyclotron resonance cell
Inventor:
Robert T. McIver, Jr.
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: May 6, 1983
Inventor
Robert T. McIver, Jr.
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.