Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4948152 | Shaft seal | Gerhard Kilthau, Karl-Heinz Spies, Rolf Vogt, Toni Seethaler | 1990-08-14 |
| 4940248 | Seal for a magnetizable shaft | Gerhard Kilthau, Karl-Heinz Spies, Rolf Vogt, Toni Seethaler | 1990-07-10 |