Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399680 | Acid-reacted polymer-modified asphalt compositions and preparation thereof | Steven L. Engber | 2002-06-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399680 | Acid-reacted polymer-modified asphalt compositions and preparation thereof | Steven L. Engber | 2002-06-04 |