Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182913 | Engine system using refrigerant fluid | Sheldon C. Robar, Bernard A. Wiley | 1993-02-02 |
| 4914642 | Remote sonic location system | Allen B. Griswold, Francis C. Lowell, Stanley Silverman | 1990-04-03 |