Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |