Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8864043 | Rail fastening system | Dennis Hanke | 2014-10-21 |
| 8739704 | Railroad tie hardware removing apparatus and methods | Steven L. Benck, Dennis Hanke | 2014-06-03 |
| 8453581 | High rail excavator | Steven L. Benck, Dennis Hanke, Andrew C. Wickman, Thomas J. Wickman | 2013-06-04 |