Granted Patent
Utility
US 6,827,150 · App. 10/268,007
High expansion packer
Inventor:
Mike A. Luke
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Oct 9, 2002
Inventor
Mike A. Luke
Assignee (at issue)
Weatherford/Lamb, 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.