Granted Patent
Utility
US 4,858,299 · App. 07/219,077
Process for making a joint with a torque-limited collar
Inventor:
George S. Wing
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Jul 14, 1988
Inventor
George S. Wing
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.