Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9297198 | Automatic fire resistant exterior shutter | Samuel Joseph Ruzynski, Samuel Brott Kalkman, Evin Daniel Sougstad, Liam Olaf Flanary, Nicholas Lee Ruzynski +3 more | 2016-03-29 |