Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6796448 | Railcar draft gear housing | Donald E. Wilt, David Greg Anderson | 2004-09-28 |
| 6520360 | Housing for draft gear | David Greg Anderson, Guenter Manigel, Robert S. Toms | 2003-02-18 |