Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491515 | Treating used automotive lubricating oil to reduce the content of suspended particulate matter, including lead | John B. Agnew, John A Barnard | 1985-01-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491515 | Treating used automotive lubricating oil to reduce the content of suspended particulate matter, including lead | John B. Agnew, John A Barnard | 1985-01-01 |