Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5581941 | Vent and tilt roof window providing an exit | Michael Sill, Harald Tomanek | 1996-12-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5581941 | Vent and tilt roof window providing an exit | Michael Sill, Harald Tomanek | 1996-12-10 |