Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697346 | Method for using sonic gas-fueled internal combustion engine control system | — | 1997-12-16 |
| 5685273 | Method and apparatus for controlling fuel injection in an internal combustion engine | William P. Johnson, James A. Pena | 1997-11-11 |
| 5673673 | Method and apparatus for the high Mach injection of a gaseous fuel into an internal combustion engine | — | 1997-10-07 |
| 5641121 | Conversion of non-accumulator-type hydraulic electronic unit injector to accumulator-type hydraulic electronic unit injector | Robert L. Barkhimer | 1997-06-24 |