Patents by Inventor Gregory Castellanos

Gregory Castellanos 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).

  • Portable sound system
    Patent number: D739846
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: September 29, 2015
    Inventor: Gregory Castellanos
  • Portable yoga block speaker
    Patent number: D815617
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: April 17, 2018
    Assignee: RECREATION SOUND SYSTEMS LLC
    Inventor: Gregory Castellanos