LJ

Lars Balck, Jr.

CR Crom: 1 patents #4 of 11Top 40%
Overall (All Time): #4,090,887 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4271647 Prestressed concrete tanks with shear blocks for resisting shearing forces — 1981-06-09