Granted Patent
Utility
US 6,509,932 · App. 09/410,445
Method and apparatus for providing audio in a digital video system
Inventors:
Der-Ren Chu, Ren Wang
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Oct 1, 1999
Inventors
Der-Ren Chu
Ren Wang
Assignee (at issue)
Divio, 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.