David M. Roussel

Person

  • Paulina, LA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe and flange assembly

    • Patent number 4,832,383
    • Issue date May 23, 1989
    • David M. Roussel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...