Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199041 | Concealed electrical door operator | Gerard Edwards, Steve Gebhart | 2021-12-14 |
| 11098517 | Door operator and clutch | — | 2021-08-24 |
| 11028630 | Door monitoring system | Patricia Yulkowski, Edward J. Yenni | 2021-06-08 |