Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9683333 | Rail tie gripping mechanism having gripper fingers with teeth | William D. Straub | 2017-06-20 |
| D754030 | Tie gripper finger | William D. Straub | 2016-04-19 |
| 7647871 | Railway anchor applicator | Robert Claas, John K. Luvaas, Donald M. Treziak, Jr., Donald Christopher Noll | 2010-01-19 |
| 6832558 | Riding rail tie plugging apparatus | Robert M. Weber, Donald Christopher Noll, David Johnsen | 2004-12-21 |
| 6435098 | Suspension system for a railway repair machine | William D. Straub | 2002-08-20 |