Patents by Inventor Frederick L. Cox

Frederick L. Cox 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: 5249570
    Abstract: A breathing method and apparatus adapted for use on an animal comprising a generally cylindrically shaped device having one open end and one closed end; padding secured to the device within the circumference of the open end adapted to accept and contact the muzzle of the animal; ports formed in the periphery of the device for the passage of air therethrough; tubes removably secured to the ports to allow for greater or lesser breathing enhancement as a function of the size of the tubes.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: October 5, 1993
    Inventor: Frederick L. Cox