Granted Patent
Utility
US 5,727,707 · App. 08/707,493
Hepa filtered storage canisters
Inventors:
Terry J. Wickland, Carl Stephens
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Sep 25, 1996
Inventors
Terry J. Wickland
Carl Stephens
Assignee (at issue)
NUCLEAR FILTER TECHNOLOGY, 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.