Granted Patent
Utility
US 6,219,641 · App. 08/987,412
System and method of transmitting speech at low line rates
Inventor:
Michael V. Socaciu
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Dec 9, 1997
Inventor
Michael V. Socaciu
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.