Marcello Dei Negri

Person

  • Conegliano, IT

Patents Applicationslast 30 patents

  • Information Patent Application

    Elastic hinge for eyeglasses

    • Publication number 20030020867
    • Publication date Jan 30, 2003
    • PRISMA S.R.L.
    • Marcello Dei Negri
    • G02 - OPTICS