Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634951 | Additives for minimizing intake valve deposits, and their use | F. Alexander Pettigrew, Lawrence J. Cunningham | 1997-06-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634951 | Additives for minimizing intake valve deposits, and their use | F. Alexander Pettigrew, Lawrence J. Cunningham | 1997-06-03 |