Granted Patent
Utility
US 6,769,489 · App. 10/050,024
Well stimulation tool and method of using same
Inventor:
L. Murray Dallas
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jan 15, 2002
Inventor
L. Murray Dallas
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.