Granted Patent
Utility
US 5,447,207 · App. 08/168,118
Downhole tool
Inventor:
Dale A. Jones
Patented Case
View Patent ↗
Granted: Sep 5, 1995
Filed: Dec 15, 1993
Inventor
Dale A. Jones
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.