Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568702 | Vent and tilt roof window | Karl-Heinz Frank, Johann Schneider | 1996-10-29 |
| 5568703 | Roof window | Karl-Heinz Frank, Johann Schneider | 1996-10-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568702 | Vent and tilt roof window | Karl-Heinz Frank, Johann Schneider | 1996-10-29 |
| 5568703 | Roof window | Karl-Heinz Frank, Johann Schneider | 1996-10-29 |