Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230313 | Gas engine cylinder head, and a method of retrofitting the head with a precombustion chamber unit | Gary Bisel | 1993-07-27 |
| 4441469 | Stratified fuel injection for gaseous fuel internal combustion engine | — | 1984-04-10 |