Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11273853 | Top of rail resilient bar | Matthew Redfield, Charles Schnorr, Charles A. Petrie | 2022-03-15 |
| 10220860 | Wayside friction management system | James Gavin Campbell, Donald Thomas Eadie, Petar Nedkov Gueorguiev, Michael Irwin Handler, Harold DeVillo Harrison +5 more | 2019-03-05 |
| 9914465 | Top of rail resilient bar | Matthew Redfield, Charles Schnorr, Charles A. Petrie | 2018-03-13 |
| 9352761 | Wayside friction management system | James Gavin Campbell, Donald Thomas Eadie, Petar Nedkov Gueorguiev, Michael Irwin Handler, Harold DeVillo Harrison +5 more | 2016-05-31 |
| 7481400 | Railway wheel sensor | Stephen W. Brown, Kostas Papazoglou | 2009-01-27 |
| 7096997 | Trackside friction management digital control system | Jacques Lamond, Kostas Papazoglou | 2006-08-29 |
| D495974 | Railroad track lubrication tank | Kostas Papazoglou | 2004-09-14 |