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Norris M. Tollefson

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  • Cumming, GA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for cast molding contact lenses
    • Patent number 9,333,716
    • Issue date May 10, 2016
    • Novartis AG
    • Norris M. Tollefson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    INJECTION MOLDED OPHTHALMIC LENS MOLD
    • Publication number 20100155972
    • Publication date Jun 24, 2010
    • Norris M. Tollefson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Method for Cast Molding Contact Lenses
    • Publication number 20100072641
    • Publication date Mar 25, 2010
    • Alice Weimin Liu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Method for cast molding contact lenses
    • Publication number 20090160073
    • Publication date Jun 25, 2009
    • Norris M. Tollefson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL