Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8376019 | Window assembly with movable interior sash | Marlo G. Van Klompenburg, Kenneth E. Nossaman, Gabriel P. Gromotka, Bruce Hagemeyer, Gary E. Tagtow +7 more | 2013-02-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8376019 | Window assembly with movable interior sash | Marlo G. Van Klompenburg, Kenneth E. Nossaman, Gabriel P. Gromotka, Bruce Hagemeyer, Gary E. Tagtow +7 more | 2013-02-19 |