JL

John B. Littlefield

AI Amsted Industries Incorporated: 1 patents #4 of 8Top 50%
📍 Wheaton, IL: #10 of 47 inventorsTop 25%
🗺 Illinois: #566 of 2,749 inventorsTop 25%
Overall (1982): #52,360 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4313869 Composition friction element for a railroad brake shoe — 1982-02-02