Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7986488 | Magnetic recording disk and disk drive with alternating single-polarity position error signal (PES) blocks for read/write head positioning | Jonathan Darrel Coker, David Timothy Flynn, Joel Dale Haugen | 2011-07-26 |