Sergei Stefanidin

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Winnipeg, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing multiple-phase surfaces
- Patent number 8,932,109
- Issue date Jan 13, 2015
- Kostia Mandel
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
MULTIPLE-PHASE SURFACES, AND METHOD THEREFOR
- Publication number 20150231757
- Publication date Aug 20, 2015
- FricSo Ltd.
- Kostia Mandel
- B32 - LAYERED PRODUCTS
Information Patent Application
MULTIPLE-PHASE SURFACES, AND METHOD THEREFOR
- Publication number 20110111676
- Publication date May 12, 2011
- FRICSCO LTD.
- Sergei Stefanidin
- B24 - GRINDING POLISHING