Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7453163 | Electromechanical generator for, and method of, converting mechanical vibrational energy into electrical energy | Stephen Roberts | 2008-11-18 |
| 7345372 | Electromechanical generator for, and method of, converting mechanical vibrational energy into electrical energy | Stephen Roberts | 2008-03-18 |