FS

Frank A. Stephens

IH Iron Carbide Holdings: 1 patents #1 of 3Top 35%
📍 Springdale, AR: #5 of 8 inventorsTop 65%
🗺 Arkansas: #36 of 215 inventorsTop 20%
Overall (1994): #135,123 of 165,921Top 85%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5366897 Method for controlling the conversion of iron-containing reactor feed into iron carbide John P. Hager, Frank M. Stephens, Jr. 1994-11-22