Granted Patent
Utility
US 6,301,658 · App. 09/150,260
Method and system for authenticating digital certificates issued by an authentication hierarchy
Inventor:
Stephen C. Koehler
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Sep 9, 1998
Inventor
Stephen C. Koehler
Assignee (at issue)
Secure Computing, LLC
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.