HG

Harold E. Gramse

TM Thrall Car Manufacturing: 3 patents #19 of 43Top 45%
TP The Pullman: 1 patents #67 of 165Top 45%
📍 Chicago Heights, IL: #17 of 69 inventorsTop 25%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,303,212 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4841876 Railroad container transporting car of increased weight carrying capacity Richard E. Jamrozy, James M. Wilczynski 1989-06-27
4754709 Railroad car for containers having guides for the containers H. Conor Nolan, James J. Schuller 1988-07-05
4718353 Container carrying railroad car with walkways for access to containers James J. Schuller 1988-01-12
4246849 Partitioned railway hopper car 1981-01-27