Patents by Inventor David A. Marquez

David A. Marquez 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: D261622
    Type: Grant
    Filed: November 23, 1979
    Date of Patent: November 3, 1981
    Inventors: David A. Marquez, Perfecto J. Marquez