DH

Dennis Hanke

📍 Algonquin, IL: #125 of 350 inventorsTop 40%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,531,418 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8864043 Rail fastening system Dean T. Wickman 2014-10-21
8739704 Railroad tie hardware removing apparatus and methods Dean T. Wickman, Steven L. Benck 2014-06-03
8453581 High rail excavator Dean T. Wickman, Steven L. Benck, Andrew C. Wickman, Thomas J. Wickman 2013-06-04