Granted Patent
Utility
US 6,162,406 · App. 09/344,084
Electrodeless discharge system for ultraviolet water purification
Inventor:
Joseph Darryl Michael
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Jun 25, 1999
Inventor
Joseph Darryl Michael
Assignee (at issue)
General Electric Company
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.