Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570530 | Workpiece alignment system | — | 1986-02-18 |
| 4356725 | Testing the power of a turbocharged internal combustion engine | — | 1982-11-02 |
| 4334427 | Testing the condition of a turbocharger | — | 1982-06-15 |
| 4189940 | Engine fault diagnosis | Leonard R. Hulls, Stephen C. Hadden | 1980-02-26 |