Patents by Inventor Patrick A. Barnhill

Patrick A. Barnhill 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).

  • Restraint Device For Use in an Aquatic Environment
    Publication number: 20110005374
    Abstract: A method and device for impeding the progress of a swimmer or a diver included a plurality of tendrils that can be launched into the path of a target and entangle the target.
    Type: Application
    Filed: July 20, 2010
    Publication date: January 13, 2011
    Inventors: Martin A. Martinez, Patrick A. Barnhill