Vladimir Antonovich Kovalsky

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Sankt Peterburg, RU

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Patents Grantslast 30 patents

Information Patent Grant
Method to analyze physical and chemical properties on the surface l...
- Patent number 7,692,145
- Issue date Apr 6, 2010
- Alexei Alexandrovich Kalachev
- G01 - MEASURING TESTING
Information Patent Grant
Method for analysing physical and/or chemical properties of the sur...
- Patent number 7,309,864
- Issue date Dec 18, 2007
- Alexey Alexandrovich Kalachev
- Alexei Alexandrovich Kalachev
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Method to Analyze Physical and Chemical Properties on the Surface L...
- Publication number 20080237488
- Publication date Oct 2, 2008
- Alexei Alexandrovich Kalachev
- Alexei Alexandrovich Kalachev
- G01 - MEASURING TESTING
Information Patent Application
Method for analysing physical and/or chemical properties of the sur...
- Publication number 20060145067
- Publication date Jul 6, 2006
- Alexei Alexandrovich Kalachev
- G01 - MEASURING TESTING