Granted Patent
Utility
US 5,366,414 · App. 08/166,237
Prevailing torque fastener
Inventor:
Jack Rath
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Dec 10, 1993
Inventor
Jack Rath
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.