Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920487 | Track maintenance apparatus and method | Peter R. Maurice, Robert S. Miller | 2018-03-20 |
| 9121139 | Track maintenance apparatus and method | Peter R. Maurice, Robert S. Miller | 2015-09-01 |
| 8606439 | Drone vehicle | Robert S. Miller, Peter R. Maurice | 2013-12-10 |
| 8505459 | Vertical force stabilizer | Robert S. Miller | 2013-08-13 |
| 8485103 | Rail anchor spreader and combination spike puller | Robert S. Miller | 2013-07-16 |
| 8433462 | Drone vehicle | Robert S. Miller, Peter R. Maurice | 2013-04-30 |
| 8245646 | Articulated rail vehicle | Robert S. Miller | 2012-08-21 |
| 8025013 | Moving platform on rail vehicle | Robert S. Miller | 2011-09-27 |
| 6598537 | Tie plugger riding station and associated method | John R. Sanders | 2003-07-29 |
| 6170401 | Rail vehicle for use in the collection and distribution of railroad crossties | Robert S. Miller | 2001-01-09 |
| 6112670 | Tie ejection apparatus for use with a railroad crosstie distribution vehicle | Robert S. Miller, Craig A. Sandsted, David L. Hancock, Roy Moore | 2000-09-05 |
| 5584248 | Split tool mechanical vibrator | Craig A. Sandsted, Roy Moore, Marion D. Smith | 1996-12-17 |
| 4501200 | Tamping tool retainer | — | 1985-02-26 |