Granted Patent
Utility
US 4,544,312 · App. 06/685,957
Pin and process for its manufacture
Inventor:
Edgar L. Stencel
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Dec 24, 1984
Inventor
Edgar L. Stencel
Assignee (at issue)
VSI, LLC
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.