Granted Patent
Utility
US 5,867,799 · App. 08/627,436
Information system and method for filtering a massive flow of information entities to meet user information classification needs
Inventors:
Andrew K. Lang, Donald M. Kosak
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Apr 4, 1996
Inventors
Andrew K. Lang
Donald M. Kosak
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.