Granted Patent
Utility
US 6,691,108 · App. 09/735,447
Focused search engine and method
Inventor:
Wen-Syan Li
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Dec 12, 2000
Inventor
Wen-Syan Li
Assignee (at issue)
NEC CORPORATION
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.