TREA

Vladislav SPASSOV

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  • Praz, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Substrate comprising a silver-plated surface protected against silv...
    • Patent number 12,163,217
    • Issue date Dec 10, 2024
    • The Swatch Group Research and Development Ltd.
    • Christian Manasterski
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for enhancing the adhesion of a layer for the protection of...
    • Patent number 11,345,993
    • Issue date May 31, 2022
    • The Swatch Group Research and Development Ltd.
    • Christian Manasterski
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Mother-of-pearl substrate coated with a yellow layer
    • Patent number 11,022,945
    • Issue date Jun 1, 2021
    • The Swatch Group Research and Development Ltd.
    • Vladislav Spassov
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Method for crimping a stone
    • Patent number 10,743,625
    • Issue date Aug 18, 2020
    • The Swatch Group Research and Development Ltd.
    • Stewes Bourban
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method for setting a stone
    • Patent number 10,736,389
    • Issue date Aug 11, 2020
    • The Swatch Group Research and Development Ltd.
    • Stewes Bourban
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents