Patents by Inventor Carlos J. Arroyo

Carlos J. Arroyo 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).

  • Trowl
    Patent number: D485476
    Type: Grant
    Filed: April 21, 2003
    Date of Patent: January 20, 2004
    Inventor: Carlos J. Arroyo
  • Trowl
    Patent number: D489232
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: May 4, 2004
    Inventor: Carlos J. Arroyo