TC

Thomas R. Callahan

📍 Maryville, IL: #1 of 4 inventorsTop 25%
🗺 Illinois: #1,480 of 5,663 inventorsTop 30%
Overall (2004): #102,255 of 270,089Top 40%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6823800 Spring seat for a railway truck sideframe and method of making the same Thomas R. Berg, Anthony J. Bauer, Hector Chaidez, Ralph H. Schorr 2004-11-30