Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424314 | Curable coating composition | Helmut Barzynski, Heinrich Hartmann, Rolf Osterloh, Lutz Goethlich, Guenter Heil | 1984-01-03 |
| 4205139 | Curable coating composition | Helmut Barzynski, Heinrich Hartmann, Rolf Osterloh, Lutz Goethlich, Guenter Heil | 1980-05-27 |