Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751087 | Comminution mill with cable impact arms | Keith O'Brien, Dennis P. O'Brien | 2017-09-05 |
| 9498780 | Grinding mill with cable grinding arms | Keith O'Brien, Dennis P. O'Brien | 2016-11-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751087 | Comminution mill with cable impact arms | Keith O'Brien, Dennis P. O'Brien | 2017-09-05 |
| 9498780 | Grinding mill with cable grinding arms | Keith O'Brien, Dennis P. O'Brien | 2016-11-22 |