Duane Smith

Person

  • Ottawa, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    High performance sewer system

    • Patent number 7,857,968
    • Issue date Dec 28, 2010
    • Clearford Industries Inc.
    • Richard W. Connelly
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    High Performance Sewer System

    • Publication number 20110132824
    • Publication date Jun 9, 2011
    • Clearford Industries Inc.
    • Richard W. Connelly
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    High Performance Sewer System

    • Publication number 20090032450
    • Publication date Feb 5, 2009
    • Clearford Industries, Inc.
    • Richard W. Connelly
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL