Granted Patent
Utility
US 6,469,856 · App. 09/570,277
System and method for calibrating a corner frequency of a tunable filter employed in a read channel of a data storage system
Inventors:
Chad Mitchell, Rick Allen Philpott, Jaydip Bhaumik, Raymond A. Richetta
Patented Case
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Granted: Oct 22, 2002
Filed: May 12, 2000
Inventors
Chad Mitchell
Rick Allen Philpott
Jaydip Bhaumik
Raymond A. Richetta
Assignee (at issue)
International Business Machines Corporation
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.