Granted Patent
Utility
US 5,764,698 · App. 08/175,900
Method and apparatus for efficient compression of high quality digital audio
Inventors:
Subramania Sudharsanan, Selvarathinam Suthakaran
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Dec 30, 1993
Inventors
Subramania Sudharsanan
Selvarathinam Suthakaran
Assignee (at issue)
International Business Machines Corporation
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.