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Stefano GHIRINGHELLI

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  • Luisago Como, IT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Discoloration-resistant gold alloy
    • Patent number 10,683,570
    • Issue date Jun 16, 2020
    • ARGOR-HERAEUS SA
    • Sergio Arnaboldi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Discoloration-resistant gold alloy
    • Patent number 10,030,296
    • Issue date Jul 24, 2018
    • ARGOR-HERAEUS SA
    • Sergio Arnaboldi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    DISCOLORATION-RESISTANT GOLD ALLOY
    • Publication number 20180312953
    • Publication date Nov 1, 2018
    • ARGOR-HERAEUS SA
    • Sergio ARNABOLDI
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    DISCOLORATION-RESISTANT GOLD ALLOY
    • Publication number 20150345001
    • Publication date Dec 3, 2015
    • ARGOR-HERAEUS SA
    • Sergio ARNABOLDI
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...