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 | Howard R. Brown, Roy J. Lanham, Donald E. Weiker | 1990-05-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923328 | Maintainable expansion joint for highways, bridges and the like | Howard R. Brown, Roy J. Lanham, Donald E. Weiker | 1990-05-08 |