Granted Patent
Utility
US 6,597,686 · App. 09/063,684
Apparatus and method for internet telephony routing
Inventor:
Darek A. Smyk
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Apr 21, 1998
Inventor
Darek A. Smyk
Assignee (at issue)
Telcordia 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.