Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7063804 | Compositions for treating phosphate in water | Charles R. Landis | 2006-06-20 |
| 7001534 | Alum pellets | Charles R. Landis, Danny Oaks, Ricky Rothermel, Robert Harvey | 2006-02-21 |
| 6960303 | Alum pellets | Charles R. Landis, Danny Oaks, Ricky Rothermel, Robert Harvey | 2005-11-01 |
| 6881346 | Methods of treating phosphate in a body of water | Charles R. Landis | 2005-04-19 |
| 5372636 | Foundry mold composition, foundry mold made therefrom and method for producing the same | William Miles | 1994-12-13 |