Robert B. Simpson

Person

  • Sarnia Township, Lambton County, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Manufacture of glass fibre blowing wool

    • Patent number 4,347,985
    • Issue date Sep 7, 1982
    • Fiberglas Canada Inc.
    • Robert B. Simpson
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING