Oscar Martínez-Romero

Person

  • Monterrey, MX

Patents Grantslast 30 patents

  • Information Patent Grant

    Brake rigging system

    • Patent number 6,739,438
    • Issue date May 25, 2004
    • Acertek, S.A. de C.V.
    • Noel León-Rovira
    • B61 - RAILWAYS