IS

Ivar K. Sagefors

BA Boliden Aktiebolag: 2 patents #15 of 89Top 20%
Overall (All Time): #2,346,834 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4572707 Method in the excavation of underground caverns in rock — 1986-02-25
4474506 Method for constructing in rock storage locations for liquid products, for example oil products — 1984-10-02