Granted Patent
Utility
US 6,247,007 · App. 09/255,091
Hierarchically arranged knowledge domains
Inventors:
Marc Cooperman, Robert Karch
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Feb 22, 1999
Inventors
Marc Cooperman
Robert Karch
Assignee (at issue)
Teleran Technologies 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.