OP

Otto E. Prenn

ST Stelco: 1 patents #1 of 5Top 20%
📍 Sherwood Park, CA: #4 of 8 inventorsTop 50%
Overall (1989): #71,733 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838062 Process for upset forging of long stands of metal bar stock 1989-06-13