Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831888 | Disk cartridge with single shutter held in multiple open positions | — | 2004-12-14 |
| 6820276 | Disk cartridge with shutter keeper molded as one piece with housing | Gregg C. Hagen | 2004-11-16 |
| 6776887 | Method and apparatus for thin film center shielding | Richard F. Willson | 2004-08-17 |
| 6709701 | Method for a tray exchange during continuous production of disks | Richard F. Willson | 2004-03-23 |