Granted Patent
Utility
US 6,219,355 · App. 09/200,630
Video and data communication system
Inventor:
Donald L. Brodigan
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Nov 30, 1998
Inventor
Donald L. Brodigan
Assignee (at issue)
Qwest Communications International 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.