Norman A. Hill

Person

  • Belfast, IE

Patents Grantslast 30 patents

  • Information Patent Grant

    Production of yarn

    • Patent number 4,228,639
    • Issue date Oct 21, 1980
    • James Mackie & Sons Limited
    • Robert J. Hunt
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING