Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408421 | Portable battery back-up data cartridge | Edward C. Prest, Bruce Glen | 1995-04-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408421 | Portable battery back-up data cartridge | Edward C. Prest, Bruce Glen | 1995-04-18 |