Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233323 | Defeat resistant interlock/monitoring system | Raul G. Enriquez, Matthew Charles Jones, Joseph L. Shaddix, William L. Yeldig | 1993-08-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233323 | Defeat resistant interlock/monitoring system | Raul G. Enriquez, Matthew Charles Jones, Joseph L. Shaddix, William L. Yeldig | 1993-08-03 |