Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6302372 | Gate valve | Andreas Sauer, Manfred Schuhmacher, Johannes Kunz | 2001-10-16 |
| 5421978 | Target cooling system with trough | Manfred Schuhmacher, Helmut Schilling | 1995-06-06 |