Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004961 | Window operator control | John M. Berner | 1991-04-02 |
| 4933613 | Control for operating a plurality of window operators | John M. Berner | 1990-06-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004961 | Window operator control | John M. Berner | 1991-04-02 |
| 4933613 | Control for operating a plurality of window operators | John M. Berner | 1990-06-12 |