Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10235789 | Process for rendering and presenting underground utilities for efficient identification, marking and inspection | Timothy J. Simmons, Christopher A. Glenn, Larry D. Phelps | 2019-03-19 |
| 10083534 | Process for rendering and presenting underground utilities for efficient identification, marking and inspection | Timothy J. Simmons, Christopher A. Glenn, Larry D. Phelps | 2018-09-25 |