Granted Patent
Utility
US 5,963,246 · App. 09/018,121
Multi-point video conference system
Inventor:
Tatsuya Kato
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Feb 3, 1998
Inventor
Tatsuya Kato
Assignee (at issue)
NEC 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.