Patents by Inventor Keith Lopez

Keith Lopez 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).

  • Attachable/detachable railing device
    Patent number: 4480819
    Abstract: The present invention relates to a protective railing device having posts for supporting a barrier means and with the posts having foot portions which are attachable to the grating of an offshore platform.
    Type: Grant
    Filed: June 23, 1982
    Date of Patent: November 6, 1984
    Inventor: Keith Lopez