Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314632 | Combining dispersant viscosity index improver and detergent additives for lubricants | Brian L. Papke, John Castrogiovanni, Jr. | 1994-05-24 |
IR
Issac D. Rubin
Overall (All Time): #3,798,097 of 4,157,543Top 95%
1
Patents All Time