Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582571 | Diaphragm cell cathode structure | Richard L. Romine, Thomas F. Florkiewicz, Gerald R. Pohto | 2003-06-24 |
| 6328860 | Diaphragm cell cathode busbar structure | Richard L. Romine, Thomas F. Florkiewicz, Gerald R. Pohto | 2001-12-11 |