Granted Patent
Utility
US 4,593,941 · App. 06/571,304
Diverter flex joint
Inventor:
Gary L. Whightsil, Sr.
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Mar 15, 1984
Inventor
Gary L. Whightsil, Sr.
Assignee (at issue)
LTV Energy Products Co.
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.