Granted Patent
Utility
US 6,674,630 · App. 09/948,269
Simultaneous neutralization and monitoring of charge on moving material
Inventors:
Peter Gefter, Mark Blitshteyn
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Sep 6, 2001
Inventors
Peter Gefter
Mark Blitshteyn
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.