Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809755 | Extruder for processing hydrocarbon-containing materials | Kurt G. Houk | 2017-11-07 |
| 9732279 | Extruder for processing hydrocarbon-containing materials | Kurt G. Houk | 2017-08-15 |