Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9162691 | System and method for detecting broken rail and occupied track from a railway vehicle | Alan L. Polivka, Jerome J. Malone, Jr., Brian Eric Smith | 2015-10-20 |
| 5287269 | Apparatus and method for accessing events, areas and activities | John G. Dorrough | 1994-02-15 |