Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D477210 | Joist reinforcing bracket | Robert M. Callahan | 2003-07-15 |
| D472791 | Joist reinforcing bracket | Robert M. Callahan | 2003-04-08 |
| D472792 | Joist reinforcing bracket | Robert M. Callahan | 2003-04-08 |
| D472793 | Joist reinforcing bracket | Robert M. Callahan | 2003-04-08 |