Granted Patent
Utility
US 6,442,999 · App. 09/815,099
Leak locator for pipe systems
Inventor:
Joseph Baumoel
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Mar 22, 2001
Inventor
Joseph Baumoel
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.