Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308933 | Shut-off-valve-utility | — | 2001-10-30 |
| 5474418 | Self-priming centrifugal pump | Manfred Wessel, Ingo Winkelmann | 1995-12-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308933 | Shut-off-valve-utility | — | 2001-10-30 |
| 5474418 | Self-priming centrifugal pump | Manfred Wessel, Ingo Winkelmann | 1995-12-12 |