Granted Patent
Utility
US 4,654,950 · App. 06/902,009
Stabbing protector with flex fitting inserts and method of attaching same in working position
Inventor:
Delbert K. Maidlow
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Aug 28, 1986
Inventor
Delbert K. Maidlow
Assignee (at issue)
Hydril Company
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.