Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11767490 | Apparatus and method for extracting oil from plant material | Robert N. Wirtz, John W. Wirtz | 2023-09-26 |
| 11724212 | Alcohol dehydration apparatus and method | Robert N. Wirtz, John W. Wirtz | 2023-08-15 |