Granted Patent
Utility
US 4,781,500 · App. 07/038,092
Metal blind rivet
Inventor:
Dieter Mauer
Patented Case
View Patent ↗
Granted: Nov 1, 1988
Filed: Apr 14, 1987
Inventor
Dieter Mauer
Assignee (at issue)
Emhart Enterprises Corp.
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.