Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4458857 | Security device for use with magnetic tape reels | Christopher MACDONALD | 1984-07-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4458857 | Security device for use with magnetic tape reels | Christopher MACDONALD | 1984-07-10 |