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Stephan Duewel

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  • Aalen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making a spectacle lens
    • Patent number 9,738,040
    • Issue date Aug 22, 2017
    • Carl Zeiss Vision International GmbH
    • Ralf Meschenmoser
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF MAKING A SPECTACLE LENS
    • Publication number 20150115486
    • Publication date Apr 30, 2015
    • CARL ZEISS VISION INTERNATIONAL GMBH
    • Ralf Meschenmoser
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL