Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4513727 | Process for controlling secondary gas fuel to normally liquid fueled I.C. engine | William H. Batchelor | 1985-04-30 |
| 4440137 | Supplemental fuel supply device for I.C. engine | William H. Batchelor | 1984-04-03 |