TREA

Darrell B. Kroulik

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  • Cambridge, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Injection molding of lens
    • Patent number 8,128,224
    • Issue date Mar 6, 2012
    • Insight Equity A.P.X., L.P.
    • Alan D. Maki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Injection molding of lens
    • Patent number 7,077,985
    • Issue date Jul 18, 2006
    • Vision-Ease Lens
    • Alan D. Maki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Injection Molding of Lens
    • Publication number 20060244909
    • Publication date Nov 2, 2006
    • Alan D. Maki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Polyurethane laminates for photochromic lenses
    • Publication number 20040126587
    • Publication date Jul 1, 2004
    • Alan Maki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Injection molding of lens
    • Publication number 20030214080
    • Publication date Nov 20, 2003
    • BMC Industries, Inc.
    • Alan D. Maki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL