JX

Joan Q. Xia

AP Abc Rail Products: 1 patents #5 of 13Top 40%
📍 River Forest, IL: #93 of 150 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,705,111 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5845881 Railroad trackwork intersections Keith Young, Stephen R. Kuhn, Thomas S. Baker, Jr. 1998-12-08