Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8516680 | Grain bin lifting system and method | Roger D. Kooima | 2013-08-27 |
| 8177193 | Grain bin lifting system and method | Roger D. Kooima | 2012-05-15 |
| 7210584 | Filter device, in particular for high-pressure applications in a molten polymer filtration | Ralf Wnuk, Jurgen Hausdorf, Otto Sandmeyer, Norbert Lang | 2007-05-01 |