Granted Patent
Utility
US 6,431,458 · App. 09/886,849
Temperature actuated flow restrictor
Inventor:
Kevin J. Cessac
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Jun 21, 2001
Inventor
Kevin J. Cessac
Assignee (at issue)
PGI INTERNATIONAL, LTD.
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.