Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6106715 | Membrane filtration assembly | Peter W. Hessinger | 2000-08-22 |
| 5873698 | Centrifugal pump | — | 1999-02-23 |
| D328777 | Portable ultrafiltration unit | Thomas W. Siegler | 1992-08-18 |
| 5091085 | Ultrafiltration device and process | Thomas W. Siegler | 1992-02-25 |
| 5075002 | Fluid pick-up assembly | Thomas W. Siegler | 1991-12-24 |
| 5069780 | Ultrafiltration device and process | Thomas W. Siegler | 1991-12-03 |
| 4994184 | Ultrafiltration device and process | Thomas W. Siegler | 1991-02-19 |