Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841934 | Oxygen pumping device for control of the air fuel ratio | Eleftherios M. Logothetis, Robert E. Hetrick, Richard E. Soltis | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841934 | Oxygen pumping device for control of the air fuel ratio | Eleftherios M. Logothetis, Robert E. Hetrick, Richard E. Soltis | 1989-06-27 |