Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10266755 | Ceramic particles formed from perforated membranes | Joachim Roettle | 2019-04-23 |
| 10196558 | Particle coating process and compositions for ceramic proppant extrusion | — | 2019-02-05 |