Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224791 | Glare screen | Charles W. Syak, Bud C. Sekella | 1993-07-06 |
| 4838523 | Energy absorbing guard rail terminal | Walter P. Humble, John C. Durkos, Dominick J. Cortell, Charles W. Syak | 1989-06-13 |