Patents by Inventor William Barreto-Mercado

William Barreto-Mercado has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4607312
    Abstract: A radio transmitting and receiving system for operating the doors of an automobile to locked or unlocked condition and unlocking the automobile trunk or hood. The unlocking code may also activate the electric power to the engine starter motor, hood and manual switches of the power door operating motor.
    Type: Grant
    Filed: February 4, 1985
    Date of Patent: August 19, 1986
    Inventor: William Barreto-Mercado