Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7999404 | Phase change on demand integrated pressure pump and power plant | David P. Fries | 2011-08-16 |
| 7898097 | Phase change on demand integrated pressure pump and power plant | David P. Fries | 2011-03-01 |
| 7531908 | Apparatus that harnesses explosive force to do work | David P. Fries | 2009-05-12 |