Granted Patent
Utility
US 6,775,253 · App. 09/512,644
Adaptive signaling for wireless packet telephony
Inventors:
Prathima Agrawal, Jyh-Cheng Chen
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Feb 24, 2000
Inventors
Prathima Agrawal
Jyh-Cheng Chen
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.