Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6317296 | Magnetic parking device for disk drive | Frederick M. Stefansky, Richard B. Balsley, Jr., Steven R. Speckmann | 2001-11-13 |
| 4206966 | Projection microscope with film holder | Donald R. Tyson | 1980-06-10 |