Granted Patent
Utility
US 6,219,045 · App. 08/747,420
Scalable virtual world chat client-server system
Inventors:
Dave Leahy, Judith Challinger, B. Thomas Adler, S. Mitra Ardon
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Nov 12, 1996
Inventors
Dave Leahy
Judith Challinger
B. Thomas Adler
S. Mitra Ardon
Assignee (at issue)
Worlds, 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.