Granted Patent
Utility
US 4,601,334 · App. 06/597,852
Control line protector for oil well tubing string
Inventor:
Peter John Lovegrove
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Apr 9, 1984
Inventor
Peter John Lovegrove
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.