Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329511 | Lubricant compositions comprising thiophosphates and thiophosphate derivatives | David Edwards, Robert E. McCovick | 2019-06-25 |
| 9885003 | Lubricant additive compositions containing thiophosphates and thiophosphate derivatives | David Edwards, Robert E. McCovick | 2018-02-06 |
| 9518242 | Lubricant additive compositions containing thiophosphates and thiophosphate derivatives | David Edwards, Robert E. McCovick | 2016-12-13 |
| 9481696 | Thiophosphates and thiophosphate derivatives as lubricant additives | David Edwards, Robert E. McCovick | 2016-11-01 |