Granted Patent
Utility
US 5,548,530 · App. 08/427,411
High-precision leak detector and locator
Inventor:
Joseph Baumoel
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: Apr 24, 1995
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.