Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34807 | Combustion system for dual fuel engine | Frederick S. Schaub | 1994-12-20 |
| 5117801 | Combustion system for dual fuel engine | Frederick S. Schaub | 1992-06-02 |
| 4966103 | Combustion system for dual fuel engine | Frederick S. Schaub | 1990-10-30 |