Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7819729 | Air curtain doorway | Joseph M. Endter | 2010-10-26 |
| 5927368 | Overhead door with a panel-carrier frame and replaceable panels | William B. Weishar | 1999-07-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7819729 | Air curtain doorway | Joseph M. Endter | 2010-10-26 |
| 5927368 | Overhead door with a panel-carrier frame and replaceable panels | William B. Weishar | 1999-07-27 |