Granted Patent
Utility
US 4,802,222 · App. 07/089,487
Data compression system and method for audio signals
Inventor:
Charles S. Weaver
Patented Case
View Patent ↗
Granted: Jan 31, 1989
Filed: Aug 25, 1987
Inventor
Charles S. Weaver
Assignee (at issue)
SRI INTERNATIONAL
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.