Donald M. Martin

Person

  • Louth, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Suspension and venting

    • Patent number 5,350,239
    • Issue date Sep 27, 1994
    • Norsk Hydro a.s
    • Olaf Strand
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL