Granted Patent
Utility
US 6,769,013 · App. 10/062,396
Distributed system for interactive collaboration
Inventors:
Lewis Frees, Ann Frees
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Feb 2, 2002
Inventors
Lewis Frees
Ann Frees
Assignee (at issue)
E-Wings, 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.