Granted Patent
Utility
US 5,884,282 · App. 08/058,445
Automated collaborative filtering system
Inventor:
Gary Robinson
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Apr 9, 1998
Inventor
Gary Robinson
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.