Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060754 | Ventilation system for manhole vault | Glen J. Bertini, Mark Newton, James Steele | 2021-07-13 |
| 10962253 | Systems for circulating air inside a manhole vault | Glen J. Bertini, Mark Newton, James Steele | 2021-03-30 |