Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
WJ

William A. Chisholm, Jr.

HU Hitachi Rail Sts Usa: 1 patents #1 of 6Top 20%
📍 Washington, PA: #4 of 10 inventorsTop 40%
🗺 Pennsylvania: #1,810 of 6,113 inventorsTop 30%
Overall (2025): #175,268 of 469,880Top 40%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12325458 Independent rail test release mechanism Andrew Imhof, Sheldon Adam Benton, Barrett Swygert, David F. Byrne, Kevin McQuistian 2025-06-10