Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297673 | Adjustable tamper-resistant locking mechanism for manhole cover | David J. Adams, Michael Gustafson | 2025-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297673 | Adjustable tamper-resistant locking mechanism for manhole cover | David J. Adams, Michael Gustafson | 2025-05-13 |