Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028742 | System and method for sealing openings in response to smoke, noxious fumes, or contaminated air using a roll-down barrier | John J. Sears, Tasche L. Strieb, Kevin P. Klocek, Thomas Allen | 2006-04-18 |
| 7000668 | System and method for sealing openings in response to smoke, noxious fumes, or contaminated air using a roll-down barrier | John J. Sears, Tasche L. Strieb, Kevin P. Klocek, Thomas Allen | 2006-02-21 |