Granted Patent
Utility
US 6,593,809 · App. 09/993,403
Circuit for widening the stereobase in the reproduction of stereophonic sound signals
Inventors:
Andreas Hahn, Juergen Schneider
Patented Case
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Granted: Jul 15, 2003
Filed: Nov 5, 2001
Inventors
Andreas Hahn
Juergen Schneider
Assignee (at issue)
TEXAS INSTRUMENTS DEUTSCHLAND GMBH
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.