Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715422 | Reinforcement of articles of cast metal or metal alloy | James A. Cooper | 1987-12-29 |
| 4708104 | Reinforced pistons | Roger A. Day, Andrew R. Baker | 1987-11-24 |
| 4624831 | Compositions of matter and their manufacture | — | 1986-11-25 |
| 4531985 | Surface treatment of metal rings | — | 1985-07-30 |