Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500898 | Dispersants prepared from high polydispersity olefin polymers | John R. Johnson, James D. Burrington, Christopher J. Kolp, Jeffry G. Dietz, Gregory R. McCullough +2 more | 2002-12-31 |
| 6412468 | Method of operating an internal combustion engine | William B. Chamberlin, III | 2002-07-02 |
| 6408812 | Method of operating spark-ignition four-stroke internal combustion engine | William B. Chamberlin, III, George S. Szappanos | 2002-06-25 |
| 6407170 | Dispersants prepared from high polydispersity olefin polymers | John R. Johnson, James D. Burrington, Christopher J. Kolp, Jeffry G. Dietz, Gregory R. McCullough +2 more | 2002-06-18 |