TREA

Leonid Khaychenko

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  • Moscow, RU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roof tile
    • Patent number D748290
    • Issue date Jan 26, 2016
    • Onduline SA
    • Leonid Khaychenko
    • D25 - Building units and construction elements
  • Information Patent Grant

    Roof tile
    • Patent number D746489
    • Issue date Dec 29, 2015
    • Onduline SA
    • Leonid Khaychenko
    • D25 - Building units and construction elements