Nghia C. Dang

Person

  • Toronto, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Air ring for cooling blown plastic film

    • Patent number 5,804,221
    • Issue date Sep 8, 1998
    • Macro Engineering & Technology Inc.
    • Mirek Planeta
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL