Granted Patent
Utility
US 6,000,834 · App. 08/907,314
Audio sampling rate conversion filter
Inventor:
Tieying Duan
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Aug 6, 1997
Inventor
Tieying Duan
Assignee (at issue)
ATI Technologies 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.