Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816224 | Method and apparatus for utilizing gaseous and liquid fuels in an internal combustion engine | James W. Welsh | 1998-10-06 |
| 5411058 | Method and apparatus for utilizing gaseous and liquid fuels in an internal combustion device | James W. Welsh | 1995-05-02 |