Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957642 | Magnesium phenate detergents | John A. Cleverley, John F. Marsh, Philip Skinner | 1990-09-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957642 | Magnesium phenate detergents | John A. Cleverley, John F. Marsh, Philip Skinner | 1990-09-18 |