Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9904274 | Method and apparatus for controlling site-specific operations | Robert Alan Wetzel | 2018-02-27 |
| 8914046 | Method and apparatus for controlling site-specific operations | Robert Alan Wetzel | 2014-12-16 |
| 8297558 | Crossing predictor with authorized track speed input | Randy M. O'Dell | 2012-10-30 |
| 8244276 | Method and apparatus for controlling site-specific operations | Robert Alan Wetzel | 2012-08-14 |
| 7832638 | Inspection data recording apparatus and method | Robert Alan Wetzel | 2010-11-16 |
| 7428419 | Method and apparatus for controlling site-specific operations | Robert Alan Wetzel | 2008-09-23 |