Granted Patent
Utility
US 6,424,941 · App. 09/710,877
Adaptively compressing sound with multiple codebooks
Inventor:
Alfred Yu
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Nov 14, 2000
Inventor
Alfred Yu
Assignee (at issue)
America Online, 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.