DB

Donald A. Bielski

KD Koppers Delaware: 1 patents #2 of 9Top 25%
📍 Youngstown, OH: #1 of 18 inventorsTop 6%
🗺 Ohio: #2,417 of 7,535 inventorsTop 35%
Overall (2021): #472,462 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10961665 Rail joint assembly having forged rail joint bars Steven D. Singleton, William T. Urmson, Jr., John W. Mospan, Ronald K. Junk 2021-03-30