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  • Colombo Design Company
    Colombo Design Company
    (925) 245-0927
    2824 Siena Rd, 94550  Livermore

    Our company has been serving patent law firms for more than 16 years. We are a full service drafting company with a personal touch. John Colombo, our principal, has more than thirty years experience in electro-mechanical machine design and is a member of the American Society of Mechanical Engineers…