Granted Patent
Utility
US 6,590,876 · App. 09/170,395
Direct path matrix communication system and method
Inventor:
Kenneth W. Brent
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Oct 13, 1998
Inventor
Kenneth W. Brent
Assignee (at issue)
LUCENT TECHNOLOGIES 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.