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Alexandre Sierro

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  • Celigny, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dental handpiece
    • Patent number 7,011,521
    • Issue date Mar 14, 2006
    • Ferton Holding S.A.
    • Alexandre Sierro
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Nozzle piece for a handpiece of a dental apparatus
    • Patent number 6,837,709
    • Issue date Jan 4, 2005
    • Ferton Holding S.A.
    • Alexandre Sierro
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    Dental handpiece
    • Publication number 20030180684
    • Publication date Sep 25, 2003
    • Ferton Holding S.A.
    • Alexandre Sierro
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Nozzle piece for a handpiece of a dental apparatus
    • Publication number 20020137004
    • Publication date Sep 26, 2002
    • Ferton Holding S.A.
    • Alexandre Sierro
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE