Granted Patent
Utility
US 4,907,926 · App. 06/892,887
Thread form and fastener system using the form
Inventor:
George S. Wing
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Jul 29, 1986
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.