Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D816188 | Tray valve cover | Clarence Armbrister, Charles A. Griesel | 2018-04-24 |
| D816189 | Tray valve | — | 2018-04-24 |
| 9909824 | Distributor in mass transfer column and method of use | Darran Matthew Headley, Patrick K. Quotson | 2018-03-06 |