Granted Patent
Utility
US 5,762,143 · App. 08/654,988
System and method for placement and retrieval of a subsurface diverting tool used in drilling and completing wells
Inventors:
Laurier E. Comeau, Elis Vandenberg, Ian Gillis
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: May 29, 1996
Inventors
Laurier E. Comeau
Elis Vandenberg
Ian Gillis
Assignee (at issue)
Baroid Technology, Inc.
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.