Granted Patent
Utility
US 6,490,580 · App. 09/431,292
Hypervideo information retrieval usingmultimedia
Inventors:
Jayanta Kumar Dey, Haiping Xu
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Oct 29, 1999
Inventors
Jayanta Kumar Dey
Haiping Xu
Assignee (at issue)
Verizon Laboratories Inc.
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.