Granted Patent
Utility
US 5,768,087 · App. 08/743,987
Method and apparatus for automatically cleaning ionizing electrodes
Inventor:
Grigoriy Vernitskiy
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Nov 5, 1996
Inventor
Grigoriy Vernitskiy
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.