Granted Patent
Utility
US 4,718,801 · App. 06/888,700
Composite core fastener
Inventor:
Imre Berecz
Patented Case
View Patent ↗
Granted: Jan 12, 1988
Filed: Jul 24, 1986
Inventor
Imre Berecz
Assignee (at issue)
Microdot 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.