Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8661816 | Hybrid combustion energy conversion engines | Will W. Mathews, Tibor Kiss | 2014-03-04 |
| 7588000 | Free piston pressure spike modulator for any internal combustion engine | Will W. Mathews | 2009-09-15 |