IB

Ian H. Braatvedt

Overall (All Time): #2,350,205 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4619558 Apparatus for producing in-situ concreted piles with enlarged bases 1986-10-28
4544515 Method for producing in-situ concreted piles with enlarged bases 1985-10-01