Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6857636 | Shaft sealing ring | Antonio Gorrino, Gerd Upper | 2005-02-22 |
| 5711534 | Annular shaft seal having an elastic sealing lip | Gerd Upper | 1998-01-27 |
| 5186472 | Unitized radial shaft seal | Richard Romero | 1993-02-16 |