Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008529 | Polymeric poly-phosphorus additives for: gear oil, grease, engine-oil, combustion-engine lubricant, automatic transmission fluid, anti-wear agents, two-cycle engine lubricant, or marine-engine lubricant | Michael Jakupca, Ben Rohr | 2021-05-18 |
| 10745639 | Polymeric poly-phosphorus lubricant additives for metal working | Mick JAKUPCA, Don Stevenson, John NUSSBAUMER | 2020-08-18 |
| 9963572 | Chlorinated ester polyvinyl-chloride secondary plasticizer and related methods | Michael Jakupca, Don Stevenson, John Regula | 2018-05-08 |