Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7843661 | Controller with fractional position algorithm | David L. Schell, Thomas Zirps | 2010-11-30 | $17,870,000 |
| 6967807 | Selecting physical cylinders in a disc drive employing discs with pre-written servo patterns | David L. Schell, Daniel Eugene Hobson, Teck Khoon Lim, Patrick TaiHeng Wong, Beng Wee Quak +2 more | 2005-11-22 | $9,659,000 |
| 6930853 | Adaptive seek control for maximum performance with minimal filter corruption | Frank William Bernett | 2005-08-16 | $7,578,000 |
| 6917485 | Dynamic head switch timing recalibration apparatus and method | David L. Schell, Steven Koldewyn, Kar Wei Koay, Abhay T. Kataria, Marinko Bosnich +1 more | 2005-07-12 | $13,796,000 |