Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865486 | Method of assembling a steel grid and concrete deck | — | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865486 | Method of assembling a steel grid and concrete deck | — | 1989-09-12 |