Helena Westberg

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Upsala, SE

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Patents Grantslast 30 patents

Information Patent Grant
Prosthetic articles made of surface conversion nitrided titanium or...
- Patent number 5,427,631
- Issue date Jun 27, 1995
- Ytbolaget I Uppsala Aktiebolag
- Erik Johansson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of producing integral, hard nitride layer on titanium/titani...
- Patent number 5,320,686
- Issue date Jun 14, 1994
- Tisurf International AB
- Erik Johansson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE