Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850433 | Multistage thermolysis method for safe and efficient conversion of E-waste materials | Ullrich H. Engel, Charles T. Ludwig, Ernest J. Zavoral, Sr. | 2017-12-26 |
| 9816033 | Multistage thermolysis method for safe and efficient conversion of carpet/rug, polymeric materials and other waste sources | Ullrich H. Engel, Charles T. Ludwig, Ernest J. Zavoral, Sr. | 2017-11-14 |