Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673949 | Push pad trigger release for a vertical rod exit device | Gerald E. Mader, Matthew S. Prucinsky | 1997-10-07 |
| 5609371 | Push pad trigger release exit device with infinite deadlocking | Gerald E. Mader, Matthew S. Prucinsky | 1997-03-11 |
| 5610794 | Door holder having electromagnetic flux generator and power control circuit | Paul J. Hoggard | 1997-03-11 |