Granted Patent
Utility
US 5,944,445 · App. 09/079,611
Device and method for relieving flooding from enclosed space
Inventor:
Martin J. Montgomery
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: May 15, 1998
Inventor
Martin J. Montgomery
Assignee (at issue)
Smart Vent, 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.