Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6189548 | Piston cleaning and coating method and apparatus | Clark B. Langmack | 2001-02-20 |
| 5993564 | Piston cleaning and coating method and apparatus | Clark B. Langmack | 1999-11-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6189548 | Piston cleaning and coating method and apparatus | Clark B. Langmack | 2001-02-20 |
| 5993564 | Piston cleaning and coating method and apparatus | Clark B. Langmack | 1999-11-30 |