Granted Patent
Utility
US 4,950,115 · App. 07/415,744
Blind fastener with expandable sleeve forming a blind bulbed head with large bearing area and a pin having a controlled protrusion length
Inventor:
Shahriar M. Sadri
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Oct 2, 1989
Inventor
Shahriar M. Sadri
Assignee (at issue)
Huck Manufacturing Co.
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.