Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5896907 | Rolling fire door including a door hold-open/release system | James E. Dever | 1999-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5896907 | Rolling fire door including a door hold-open/release system | James E. Dever | 1999-04-27 |