Granted Patent
Utility
US 6,454,952 · App. 09/762,246
Fluid sterilization apparatus
Inventor:
George W. Thorpe
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Jul 2, 2001
Inventor
George W. Thorpe
Assignee (at issue)
International Water-Guard Industries 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.