Granted Patent
Utility
US 4,850,771 · App. 07/196,881
Installation system for securing workpieces of composite materials and the like and threaded fastener for such system
Inventor:
Ramon L. Hurd
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: May 20, 1988
Inventor
Ramon L. Hurd
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.