Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595715 | Guiderail post | — | 2003-07-22 |
| 4838523 | Energy absorbing guard rail terminal | Walter P. Humble, John C. Durkos, Nick A. DiMargio, Charles W. Syak | 1989-06-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595715 | Guiderail post | — | 2003-07-22 |
| 4838523 | Energy absorbing guard rail terminal | Walter P. Humble, John C. Durkos, Nick A. DiMargio, Charles W. Syak | 1989-06-13 |