Granted Patent
Utility
US 6,148,328 · App. 09/016,052
Method and system for signaling presence of users in a networked environment
Inventors:
Gennaro A. Cuomo, Sandeep K. Singhal
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Jan 29, 1998
Inventors
Gennaro A. Cuomo
Sandeep K. Singhal
Assignee (at issue)
International Business Machines 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.