Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10053627 | Method and apparatus for testing coal coking properties | Jacob P. Sarpen, John Francis Quanci, Mark Anthony Ball, Roy J. Griffey, Jose Eustaquio daSilva | 2018-08-21 |
| 9169439 | Method and apparatus for testing coal coking properties | Jacob P. Sarpen, John Francis Quanci, Mark Anthony Ball, Roy J. Griffey, Jose Eustaquio daSilva | 2015-10-27 |