M. K. Olof Johnsson

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Degerfors, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a lead alloy steel and a steel made accordi...
- Patent number 4,203,763
- Issue date May 20, 1980
- Scandinavian Lancers Aktiebolag
- M. K. Olof Johnsson
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for the production of ferro alloys
- Patent number 4,190,435
- Issue date Feb 26, 1980
- Uddeholms Aktiebolag
- M. K. Olof Johnsson
- C21 - METALLURGY OF IRON