Granted Patent
Utility
US 6,070,666 · App. 09/070,579
Fracturing method for horizontal wells
Inventor:
Carl T. Montgomery
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Apr 30, 1998
Inventor
Carl T. Montgomery
Assignee (at issue)
Atlantic Richfield Company
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.