Granted Patent
Utility
US 6,733,494 · App. 10/124,558
Leak detection system
Inventors:
Marwan Abboud, Johnny Al Asmar, John W. Lehmann
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Apr 17, 2002
Inventors
Marwan Abboud
Johnny Al Asmar
John W. Lehmann
Assignee (at issue)
CryoCath Technologies 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.