Granted Patent
Utility
US 6,292,893 · App. 09/483,125
Certificate revocation system
Inventor:
Silvio Micali
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Jan 14, 2000
Inventor
Silvio Micali
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.