Granted Patent
Utility
US 6,725,615 · App. 09/979,806
Service shut off device
Inventor:
Raymond Porter
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Nov 6, 2001
Inventor
Raymond Porter
Assignee (at issue)
Promat Fyreguard Pty 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.