TREA

Douglas E. Earl

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  • Saint Paul, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making polyurethane foam
    • Patent number 8,784,518
    • Issue date Jul 22, 2014
    • 3M Innovative Properties Company
    • Elizabeth Anna Benson-Sargent
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF MAKING POLYURETHANE FOAM
    • Publication number 20120180400
    • Publication date Jul 19, 2012
    • 3M Innovative Properties Company
    • Elizabeth Anna Benson-Sargent
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL