TREA

Israel Tchoukran

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  • Rehovot, IL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Production of contact lenses
    • Patent number 4,478,770
    • Issue date Oct 23, 1984
    • Yeda Research and Development Company, Ltd.
    • David Vofsi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL