Patents by Inventor Phillip Gambrell

Phillip Gambrell 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: 10596438
    Abstract: The present development is a device that restrains an individual from swimming beyond a predetermined range. The device comprises a frame, at least one ballast unit, at least one tether line and a means to secure the swimmer to the tether line. The device is intended to be portable and easy to use while still providing a sturdy restraint.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: March 24, 2020
    Inventor: Phillip Gambrell