Granted Patent
Utility
US 5,010,964 · App. 07/506,139
Method and apparatus for orienting wellbore perforations
Inventor:
H. Mitchell Cornette
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: Apr 6, 1990
Inventor
H. Mitchell Cornette
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.