David Bretherton

Person

  • Humble, TX, US

Patents Applicationslast 30 patents

  • Information Patent Application

    Floating Roof Seal

    • Publication number 20160031637
    • Publication date Feb 4, 2016
    • Apache Industrial Services, Inc.
    • David Bretherton
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL