Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11218109 | Pressurized pumped hydro storage system | Peter Materna, Ralph L Hensler | 2022-01-04 |
| 10707802 | Pressurized pumped hydro storage system | Peter Materna, Ralph L Hensler | 2020-07-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11218109 | Pressurized pumped hydro storage system | Peter Materna, Ralph L Hensler | 2022-01-04 |
| 10707802 | Pressurized pumped hydro storage system | Peter Materna, Ralph L Hensler | 2020-07-07 |