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Helfried Weinzerl

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  • Seal Beach, CA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    REUSABLE STAMPER FOR OPTICAL DISK
    • Publication number 20060245341
    • Publication date Nov 2, 2006
    • Unaxis Balzers Ltd.
    • Helfried Weinzerl
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Method for the production of multilayer discs
    • Publication number 20060003476
    • Publication date Jan 5, 2006
    • Unaxis Balzers Ltd.
    • Martin Dubs
    • G11 - INFORMATION STORAGE