Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670072 | Method of making a stretched surface recording disk | John W. Louks | 1987-06-02 |
| 4573097 | Stretched surface recording disk and method of manufacture | John W. Louks | 1986-02-25 |
| 4543619 | Magnetic disk cartridge and disk drive | — | 1985-09-24 |