Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10799882 | Method and system for processing slag material | Donald E. Keaton, Keith P. Masserant | 2020-10-13 |
| 9707569 | Method and system for processing slag material | Donald E. Keaton, Keith P. Masserant | 2017-07-18 |
| 9016477 | Method and system for processing slag material | Donald E. Keaton, Keith P. Masserant | 2015-04-28 |
| 8807344 | Adjustable magnetic separator | Donald E. Keaton, Keith P. Masserant, Robert G. Harte | 2014-08-19 |