Patents by Inventor Fernando L. Ruiz

Fernando L. Ruiz 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: 5457571
    Abstract: A metallographic microscope for characterizing conductor drawing dies having a light collimating system, linear scales for horizontal and vertical axis of the platina, a positioning device on the platina, an electronic closed loop circuit for controlling the illumination through the collimating system, and a power supply and internal cabling within the body of the microscope for a video camera mounted to the lens system.
    Type: Grant
    Filed: July 26, 1994
    Date of Patent: October 10, 1995
    Assignee: Centro De Investigacion Y Desarrollo Condumex SA.DE C. V.
    Inventors: Daniel A. Longoria, Daniel C. Garcia, Fernando L. Ruiz