Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8302654 | Vertically collapsible weather resistant barrier for opening in a building envelope | Mark McDonald, Jack Zagorski | 2012-11-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8302654 | Vertically collapsible weather resistant barrier for opening in a building envelope | Mark McDonald, Jack Zagorski | 2012-11-06 |