Granted Patent
Utility
US 5,040,601 · App. 07/541,839
Horizontal well bore system
Inventors:
Haraldur Karlsson, Gary E. Jacques, James L. Hatten, John K. Aslakson
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Jun 21, 1990
Inventors
Haraldur Karlsson
Gary E. Jacques
James L. Hatten
John K. Aslakson
Assignee (at issue)
Baker Hughes Holdings LLC
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.