Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11401810 | Removable and replaceable anchored tunnel gasket | William C. Andrick, Richard J. Bowers, Troy Davidson, James A. Westhoff | 2022-08-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11401810 | Removable and replaceable anchored tunnel gasket | William C. Andrick, Richard J. Bowers, Troy Davidson, James A. Westhoff | 2022-08-02 |