John O. Edstrom

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Stocksund, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing silicon from powdered material containing s...
- Patent number 4,439,410
- Issue date Mar 27, 1984
- SKF Steel Engineering Aktiebolag
- Sven Santen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing metal from fine-grain metal-oxide material
- Patent number 4,434,001
- Issue date Feb 28, 1984
- SKF Steel Engineering AB
- John O. Edstr/o/ m
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing stainless steel
- Patent number 4,340,420
- Issue date Jul 20, 1982
- SKF Steel Engineering Aktiebolag
- Sven Santen
- C21 - METALLURGY OF IRON