Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788361 | Polymeric viscosity index improver and oil composition comprising the same | Dale L. Handlin, Jr. | 1988-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788361 | Polymeric viscosity index improver and oil composition comprising the same | Dale L. Handlin, Jr. | 1988-11-29 |