Boyd H. Hansen

Person

  • Milwaukie, OR, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Extruder for foamed liquids

    • Patent number 4,470,789
    • Issue date Sep 11, 1984
    • Pacific Adhesives Company, Inc.
    • Edward J. Whittington
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL