Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843870 | Cylinder-by-cylinder engine pressure and pressure torque waveform determination utilizing crankshaft speed fluctuations | Stephen J. Citron | 1989-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843870 | Cylinder-by-cylinder engine pressure and pressure torque waveform determination utilizing crankshaft speed fluctuations | Stephen J. Citron | 1989-07-04 |