Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8273224 | Composite collector bar | Bruce Ringsby Olmstead | 2012-09-25 |
| 7699963 | Internal cooling of electrolytic smelting cell | — | 2010-04-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8273224 | Composite collector bar | Bruce Ringsby Olmstead | 2012-09-25 |
| 7699963 | Internal cooling of electrolytic smelting cell | — | 2010-04-20 |