Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333841 | Dithiophosphate lubricant additives | Rudolf Kirchmayr, Donald Richard Randell | 1982-06-08 |
| 4333868 | Phosphite ester stabilizers | Kurt Schwarzenbach | 1982-06-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333841 | Dithiophosphate lubricant additives | Rudolf Kirchmayr, Donald Richard Randell | 1982-06-08 |
| 4333868 | Phosphite ester stabilizers | Kurt Schwarzenbach | 1982-06-08 |