Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7001534 | Alum pellets | Charles R. Landis, Ricky Rothermel, Robert Harvey, Steven Gray | 2006-02-21 |
| 6960303 | Alum pellets | Charles R. Landis, Ricky Rothermel, Robert Harvey, Steven Gray | 2005-11-01 |