DK

Derrill J. Koelz

PS Progress Rail Services: 1 patents #1 of 13Top 8%
📍 Pittsburgh, PA: #359 of 1,169 inventorsTop 35%
🗺 Pennsylvania: #2,304 of 7,623 inventorsTop 35%
Overall (2023): #465,842 of 537,848Top 90%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11834082 Rail buckle detection and risk prediction Marc D. Miller, Chad A. Moore, Lawrence A. Mianzo, Mike Hoffelder, Darrell Cantrell +1 more 2023-12-05