Granted Patent
Utility
US 5,790,426 · App. 08/848,317
Automated collaborative filtering system
Inventor:
Gary Robinson
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Apr 30, 1997
Inventor
Gary Robinson
Assignee (at issue)
Athenium 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.