Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5111184 | Tamper-proof device for detecting opening and closing of a secure container | Harley Heaton, Michael R. Arneson | 1992-05-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5111184 | Tamper-proof device for detecting opening and closing of a secure container | Harley Heaton, Michael R. Arneson | 1992-05-05 |