Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10745639 | Polymeric poly-phosphorus lubricant additives for metal working | Mick JAKUPCA, Don Stevenson, Jacob Weingart | 2020-08-18 |
| 9382201 | Light-colored metal working additives | Donald Stevenson, Louis E. Bona | 2016-07-05 |