Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11930725 | Combined shovel and storage device | — | 2024-03-19 |
| 6582845 | Solid oxide electrolyte, fuel cell module, and method | John D. Helfinstine, Thomas Dale Ketcham, Dell J. St. Julien | 2003-06-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11930725 | Combined shovel and storage device | — | 2024-03-19 |
| 6582845 | Solid oxide electrolyte, fuel cell module, and method | John D. Helfinstine, Thomas Dale Ketcham, Dell J. St. Julien | 2003-06-24 |