David E. Upchurch

Person

  • Godley, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Detonating cord clip

    • Patent number 9,598,941
    • Issue date Mar 21, 2017
    • Owen Oil Tools LP
    • David E. Upchurch
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Detonating cord clip

    • Patent number 9,523,265
    • Issue date Dec 20, 2016
    • Owen Oil Tools LP
    • David E. Upchurch
    • F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents

  • Information Patent Application

    DETONATING CORD CLIP

    • Publication number 20170089185
    • Publication date Mar 30, 2017
    • Owen Oil Tools LP
    • David E. Upchurch
    • F42 - AMMUNITION BLASTING
  • Information Patent Application

    DETONATING CORD CLIP

    • Publication number 20160097264
    • Publication date Apr 7, 2016
    • Owen Oil Tools LP
    • David E. Upchurch
    • F42 - AMMUNITION BLASTING