Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9255478 | Reaction turbine and hybrid impulse reaction turbine | Howard E. Purdum, William Downs | 2016-02-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9255478 | Reaction turbine and hybrid impulse reaction turbine | Howard E. Purdum, William Downs | 2016-02-09 |