Granted Patent
Utility
US 5,650,203 · App. 08/506,536
Silicon ion emitter electrodes
Inventor:
Scott Gehlke
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Jul 25, 1995
Inventor
Scott Gehlke
Assignee (at issue)
Ion Systems, 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.