Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366797 | Bonded yarn bundle, and textile sheet materials obtainable therefrom | Andre Rotgers | 1994-11-22 |
| 4287248 | Bituminized roof sheet | Helmut Kuhn, Kurt Plotz | 1981-09-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366797 | Bonded yarn bundle, and textile sheet materials obtainable therefrom | Andre Rotgers | 1994-11-22 |
| 4287248 | Bituminized roof sheet | Helmut Kuhn, Kurt Plotz | 1981-09-01 |