Alexander Roytman

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Solon, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Storage tank bottom corrosion protection system
- Patent number 9,556,635
- Issue date Jan 31, 2017
- Northern Technologies International Corporation
- Efim Ya Lyublinski
- E04 - BUILDING
Information Patent Grant
Systems for corrosion protection of storage tank soil side bottoms
- Patent number 9,303,380
- Issue date Apr 5, 2016
- Northern Technologies International Corporation
- Efim Ya Lyublinski
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL