Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565274 | Fire rated floor door and control system | Jerome Frank Perrone, Jr. | 1996-10-15 |
| 5554433 | Fire rated floor door and control system | Jerome Frank Perrone, Jr. | 1996-09-10 |