Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387175 | Roadway base intermediate, roadway base, and methods of manufacture | Leah M. Burge, Douglas J. Koutek, John L. Sullivan | 2002-05-14 |
| 6383250 | Steel making revert and process for preparing | Colvin W. Smith | 2002-05-07 |