Granted Patent
Utility
US 4,747,303 · App. 06/824,186
Method determining formation dip
Inventor:
John E. Fontenot
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Jan 30, 1986
Inventor
John E. Fontenot
Assignee (at issue)
NL Industries, 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.