Granted Patent
Utility
US 5,658,530 · App. 08/626,976
Photocatalyst and pulsed light synergism in deactivation of contaminants
Inventor:
Joseph E. Dunn
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Apr 3, 1996
Inventor
Joseph E. Dunn
Assignee (at issue)
PurePulse Technologies, 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.