Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229764 | Continuous biometric authentication matrix | Noel D. Matchett | 1993-07-20 |
| 5036542 | Audio surveillance discouragement apparatus and method | Noel D. Matchett | 1991-07-30 |