Granted Patent
Utility
US 4,311,263 · App. 06/084,850
Gun sling with thumb support
Inventor:
John E. Bianchi
Patented Case
View Patent ↗
Granted: Jan 19, 1982
Filed: Oct 15, 1979
Inventor
John E. Bianchi
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.