Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5896907 | Rolling fire door including a door hold-open/release system | Richard M. A. Rodgers | 1999-04-27 |
| 4386645 | Side folding closure | John A. Stascavage, William W. Rawls | 1983-06-07 |