Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1095193 | Siding guide installation verification tool | Leland Harris, Bobbi Merrell, Rodolfo E. Valladares, Brian Kilgore, Jake Allen +2 more | 2025-09-30 |
| 11578528 | Sill systems for sliding fenestration units | Howard C. Anderson, Andrew Morse, Joseph A. Ritzert, Paul D. Schroder, Jaden P. Vos | 2023-02-14 |
| 9556668 | Weather seal system for double hung windows | Dale R. Kadavy, Jonathan S. Hoogland, Todd A. Bernhagen | 2017-01-31 |
| 9062490 | Weather seal system for double hung window | Dale R. Kadavy, Jonathan S. Hoogland, Todd A. Bernhagen | 2015-06-23 |
| 8376019 | Window assembly with movable interior sash | Marlo G. Van Klompenburg, Kenneth E. Nossaman, Kraig A. Downs, Gabriel P. Gromotka, Bruce Hagemeyer +7 more | 2013-02-19 |