Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7707945 | Safety system for a locomotive walkway | Leroy Learn, Soban Jalil | 2010-05-04 |
| 7072747 | Strategies for locomotive operation in tunnel conditions | Robert Armbruster, Wolfgang Daum, Scott M. Branka, Brian Douglas Lawry | 2006-07-04 |