Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10858789 | Hollow, composite dowel bar assemblies, associated fabrication methodology, and apparatus | Thomas A. Hershberger | 2020-12-08 |
| 4422613 | Picture frame easels | Frederick L. Murrin, Phillip E. Maupin | 1983-12-27 |