Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7452194 | Screw pump | Michael John Werson | 2008-11-18 |
| 7275921 | Pumps | — | 2007-10-02 |
| 7234925 | Screw pump | Michael John Werson | 2007-06-26 |
| 7232297 | Screw pump | Michael John Werson | 2007-06-19 |
| 7052230 | Pump assembly | Michael John Werson | 2006-05-30 |
| 6499966 | Motor driven pump | John Michael Werson | 2002-12-31 |