Granted Patent
Utility
US 5,600,136 · App. 08/474,593
Single potential ion source
Inventors:
Marsbed Hablanian, Asoka Ratnam
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Jun 7, 1995
Inventors
Marsbed Hablanian
Asoka Ratnam
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.