Granted Patent
Utility
US 5,905,640 · App. 09/079,740
Security via hole(s) for printed circuit boards
Inventors:
Brian Hutchison, Eric G. Lyons, Jan Durajczyk
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: May 15, 1998
Inventors
Brian Hutchison
Eric G. Lyons
Jan Durajczyk
Assignee (at issue)
NCR 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.