Granted Patent
Utility
US 6,820,327 · App. 10/214,240
Fastener installation apparatus
Inventor:
John Vrana
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Aug 6, 2002
Inventor
John Vrana
Assignee (at issue)
Fabristeel Products, Inc.
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.