Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806740 | Magnetic characteristic identification system | David G. Gold | 1989-02-21 |
| 4807287 | Document authentication method | Leonard J. Nunley | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806740 | Magnetic characteristic identification system | David G. Gold | 1989-02-21 |
| 4807287 | Document authentication method | Leonard J. Nunley | 1989-02-21 |