Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D461870 | Tank | Harold L. Ball, Eric S. Ball | 2002-08-20 |
| 6372137 | Wastewater treatment system for maximizing effluent quality | — | 2002-04-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D461870 | Tank | Harold L. Ball, Eric S. Ball | 2002-08-20 |
| 6372137 | Wastewater treatment system for maximizing effluent quality | — | 2002-04-16 |