Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241290 | Pipe coupling | Herbert Foering, Thomas Gigowski, Karl-Heinz Hartings, Johannes Schurr | 2001-06-05 |
| 6131956 | Pipe coupling | Herbert Foering, Thomas Gigowski, Karl-Heinz Hartings, Johannes Schurr | 2000-10-17 |