Granted Patent
Utility
US 6,411,458 · App. 09/298,363
Disk drive employing method of monitoring transducer flying height to retire defective data site on recording surface
Inventors:
Russell A. Billings, Michael J. Shea
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Apr 23, 1999
Inventors
Russell A. Billings
Michael J. Shea
Assignee (at issue)
WESTERN DIGITAL 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.