Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804033 | Production of engineering components | William J. Hepworth | 1989-02-14 |
| 4643145 | Reinforcement of engine blocks | William J. Hepworth | 1987-02-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804033 | Production of engineering components | William J. Hepworth | 1989-02-14 |
| 4643145 | Reinforcement of engine blocks | William J. Hepworth | 1987-02-17 |