Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42989 | Method and apparatus for applying liquid compositions in rail systems | John Cotter, Dave Elvidge | 2011-12-06 |
| 7939476 | Modified friction control compositions | Xin Lu, John Cotter | 2011-05-10 |