Granted Patent
Utility
US 6,487,667 · App. 09/549,434
System for remote pass-phrase authentication
Inventor:
Gary Brown
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Apr 14, 2000
Inventor
Gary Brown
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.