HG

Harold E. Gramse

TM Thrall Car Manufacturing: 1 patents #5 of 13Top 40%
📍 Chicago Heights, IL: #2 of 5 inventorsTop 40%
🗺 Illinois: #802 of 3,813 inventorsTop 25%
Overall (1989): #108,678 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4841876 Railroad container transporting car of increased weight carrying capacity Richard E. Jamrozy, James M. Wilczynski 1989-06-27