Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106175 | Locatable object suitable for underground use and methods of locating same | Donald D. Davis, William S. Pesto, Loyce A. Turner | 1992-04-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106175 | Locatable object suitable for underground use and methods of locating same | Donald D. Davis, William S. Pesto, Loyce A. Turner | 1992-04-21 |