Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10807097 | Vertical shaft impactor | David A. Mogan, William J. McDaniel, Patrick Fein, William J. Akers, Brent H. Sebright | 2020-10-20 |
| 9707564 | Vertical shaft impactor | David A. Mogan, William J. McDaniel, Patrick Fein, William J. Akers, Brent H. Sebright | 2017-07-18 |
| 9114941 | Trolley dumper apparatus | Patrick Fein, William D. Brisbin, Brent H. Sebright | 2015-08-25 |