Granted Patent
Utility
US 6,181,689 · App. 08/735,475
Bi-directional information exchange mechanism for collaborative network navigation among a group of user terminals
Inventors:
Byung-Sun Choung, Robert Gula
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Oct 23, 1996
Inventors
Byung-Sun Choung
Robert Gula
Assignee (at issue)
NCR 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.