Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7139144 | Method and apparatus for writing spiral servo information by modifying existing servo track writing equipment | Ed Browning | 2006-11-21 |
| 7133239 | Methods and apparatuses for writing spiral servo patterns onto a disk surface | Bruce A. Liikanen, Dave McMurtrey | 2006-11-07 |