Granted Patent
Utility
US 6,496,512 · App. 09/218,820
System and method for connecting calls with a time division multiplex matrix
Inventor:
Khalid Mohamed Medhat
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Dec 22, 1998
Inventor
Khalid Mohamed Medhat
Assignee (at issue)
SPRINT COMMUNICATIONS COMPANY, L.P.
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.