Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343848 | Electronic fuel injector control for rotary vacuum fuel conversion device | Desmond A. Birch | 1994-09-06 |
| 5322046 | Electronic fuel injector control for rotary vacuum fuel conversion device | Desmond A. Birch | 1994-06-21 |