Granted Patent
Utility
US 6,418,408 · App. 09/542,792
Frequency domain interpolative speech codec system
Inventors:
Bangalore R. Udaya Bhaskar, Srinivas Nandkumar, Kumar Swaminathan, Gaguk Zakaria
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Apr 4, 2000
Inventors
Bangalore R. Udaya Bhaskar
Srinivas Nandkumar
Kumar Swaminathan
Gaguk Zakaria
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.