DB

Donald J. Blunden

TM Thrall Car Manufacturing: 1 patents #1 of 4Top 25%
📍 Plymouth, MI: #9 of 46 inventorsTop 20%
🗺 Michigan: #1,023 of 4,492 inventorsTop 25%
Overall (1997): #158,876 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5657698 Pivot plate assembly for articulated railway cars James E. Black, Jr., Michael J. Rench, Ralph H. Schorr 1997-08-19