Patents by Inventor Max Peter Calvillo

Max Peter Calvillo 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).

  • Publication number: 20150239537
    Abstract: A snorkeling device that permits the user to expeditiously initiate and continue freestyle, butterfly, breaststroke and crawl swimming strokes while listening to audio and without having to repeatedly tilt the body, or turn the head and without having water enter the top inlet of the device.
    Type: Application
    Filed: February 27, 2014
    Publication date: August 27, 2015
    Inventor: Max Peter Calvillo