Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138376 | Reduced tracking, reduced curing time asphalt emulsion and method of making and using same | Joseph English | 2018-11-27 |
| 5998514 | Random vinyl substituted aromatic/C.sub.4 -C.sub.6 conjugated diolefin polymer modified asphalt mixtures | John Cheng, Heinz Plaumann, Koichi Takamura | 1999-12-07 |