Granted Patent
Utility
US 4,365,401 · App. 06/199,197
Rivet removal and fastening tool
Inventor:
Robert S. Ogren
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Oct 20, 1980
Inventor
Robert S. Ogren
Assignee (at issue)
Owatonna Tool Company
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.