Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182913 | Engine system using refrigerant fluid | Sheldon C. Robar, David W. Fraser | 1993-02-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182913 | Engine system using refrigerant fluid | Sheldon C. Robar, David W. Fraser | 1993-02-02 |