Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5052654 | Molded plastic void hold down device for concrete beam-slab formation | Donald B. Coogan | 1991-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5052654 | Molded plastic void hold down device for concrete beam-slab formation | Donald B. Coogan | 1991-10-01 |