Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7784184 | Involute foil regenerator method | David M. Berchowitz, Todd Cale, James Gary Wood | 2010-08-31 |
| 6991023 | Involute foil regenerator | David M. Berchowitz, Todd Cale, James Gary Wood | 2006-01-31 |
| 5461859 | Centering system with one way valve for free piston machine | William T. Beale, Jarlath McEntee | 1995-10-31 |