Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7784184 | Involute foil regenerator method | David M. Berchowitz, Neill Lane, James Gary Wood | 2010-08-31 |
| 6991023 | Involute foil regenerator | David M. Berchowitz, Neill Lane, James Gary Wood | 2006-01-31 |