Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203288 | Driven lock systems, fenestration units and methods | Justin Michael Depew | 2025-01-21 |
| 12129703 | Drive systems and hinged window assemblies incorporating the same | David D. Plummer | 2024-10-29 |
| 11732520 | Drive systems and hinged window assemblies incorporating the same | David D. Plummer | 2023-08-22 |
| 11591840 | Power window operators, windows and methods | David D. Plummer, Justin Michael Depew, Matthew Lawrence Page | 2023-02-28 |
| 11542741 | Drive systems and hinged window assemblies incorporating the same | David D. Plummer | 2023-01-03 |
| 11268308 | Fenestration lock assemblies and methods | David D. Plummer | 2022-03-08 |
| 11162279 | Driven lock systems, fenestration units and methods | Justin Michael Depew | 2021-11-02 |
| 10865598 | Drive systems and hinged window assemblies incorporating the same | David D. Plummer | 2020-12-15 |
| 10317247 | Fenestration unit monitoring apparatus with tethers and methods | David D. Plummer | 2019-06-11 |
| 8448384 | Doorway with DP enhanced sill | Jon Dekko, Duane Fier | 2013-05-28 |
| 8057120 | Corner joining of structural members | Mike Schmidt, Frank W. Campbell | 2011-11-15 |
| 8033056 | Doorway with anti-bubbling sill drain | Jon Dekko, Duane Fier | 2011-10-11 |