Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43044 | Electrically conductive pavement mixture | Peter L. Zaleski, David J. Derwin | 2011-12-27 |
| 6971819 | Electrically conductive pavement mixture | Peter L. Zaleski, David J. Derwin | 2005-12-06 |
| 5707171 | Electrically conductive paving mixture and pavement system | Peter L. Zaleski, David J. Derwin | 1998-01-13 |