Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8987592 | Flame-proof housing | Wilhelm Mack, Willy Grübel, Tatjana Kapp, Wilfried Hess | 2015-03-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8987592 | Flame-proof housing | Wilhelm Mack, Willy Grübel, Tatjana Kapp, Wilfried Hess | 2015-03-24 |