Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671716 | Fuel injection system and strategy | Robert E. Hetrick, Harold Sean Hilbert, Michael H. Parsons | 1997-09-30 |
| 5649512 | Independent cylinder idle air control system | Ansel Bernard Flanery, Jr., Robert A. Stein | 1997-07-22 |
| 5642703 | Internal combustion engine with intake and exhaust camshaft phase shifting for cylinder deactivation | Julian A. LoRusso | 1997-07-01 |
| 5592916 | Internal combustion engine having intake port throttles incorporating charge motion control | Robert A. Stein | 1997-01-14 |