Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8638518 | Bias techniques for magnetic tape media | Wayne P. Schaefer, Bruce H. Edwards, Gregory W. Visich | 2014-01-28 |
| 8228637 | Bias techniques for magnetic tape media | Wayne P. Schaefer, Bruce H. Edwards, Gregory W. Visich | 2012-07-24 |