SM

Samuel B. H. Mitchell

📍 Wraysbury, GB: #1 of 5 inventorsTop 20%
Overall (All Time): #2,318,037 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5035538 Arcuate precast tunnel lining segments 1991-07-30
4969769 Joints between elements 1990-11-13