Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620819 | Submarine working equipment | Karl-Heinz Marschner, Klaus Wiemer, Thomas L. Weyer, Hubert Knoblauch | 1986-11-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620819 | Submarine working equipment | Karl-Heinz Marschner, Klaus Wiemer, Thomas L. Weyer, Hubert Knoblauch | 1986-11-04 |