Granted Patent
Utility
US 6,604,074 · App. 09/814,576
Automatic validation of recognized dynamic audio data from data provider system using an independent data source
Inventor:
Daniel Ziegelmiller
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Mar 22, 2001
Inventor
Daniel Ziegelmiller
Assignee (at issue)
EMPIRIX 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.