Granted Patent
Utility
US 5,271,461 · App. 07/882,308
Coiled tubing deployed inflatable stimulation tool
Inventors:
Kenneth L. Decker, John H. Yonker
Patented Case
View Patent ↗
Granted: Dec 21, 1993
Filed: May 13, 1992
Inventors
Kenneth L. Decker
John H. Yonker
Assignee (at issue)
Halliburton
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.