Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742966 | Media mill screen assembly | John Corrigan | 1988-05-10 |
| 4709863 | Media mill screen assembly | John Corrigan | 1987-12-01 |
| 4651935 | Horizontal media mill | Paul E. Samosky, John Corrigan, Dale H. Morehouse | 1987-03-24 |
| 4624418 | Media mill outlet assembly | — | 1986-11-25 |
| 4513917 | Sand mill rotor discs | — | 1985-04-30 |
| 4441658 | Sandmill screen mounting assembly | — | 1984-04-10 |