Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE47395 | Optimizing rail track performance | Kevin David Oldknow, John Samuels, Donald Thomas Eadie | 2019-05-21 |
| 8473128 | Optimizing rail track performance | Kevin David Oldknow, John Samuels, Donald Thomas Eadie | 2013-06-25 |