Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304720 | Disk cartridge | James R. Carey, Patrick J. Champagne, David L. Rowden | 1989-11-21 |
| 4858050 | Structurally rigid disk cartridge adaptable to eliminating relative axial cartridge and/or transducer head loading/unloading movement | James R. Carey, Patrick J. Champagne, David L. Rowden | 1989-08-15 |