Granted Patent
Utility
US 5,226,809 · App. 07/819,280
Security fastener application
Inventor:
Gino Franco
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Jan 13, 1992
Inventor
Gino Franco
Assignee (at issue)
Precision Dynamics Corporation
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.