Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923328 | Maintainable expansion joint for highways, bridges and the like | David H. Arps, Howard R. Brown, Roy J. Lanham | 1990-05-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923328 | Maintainable expansion joint for highways, bridges and the like | David H. Arps, Howard R. Brown, Roy J. Lanham | 1990-05-08 |