Patents by Inventor R. Douglas Frix

R. Douglas Frix 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).

  • Frozen rehydration formulation and delivery system therefor
    Patent number: 5869459
    Abstract: A rehydrating freezer pop provides a convenient and effective way of replenishing lost fluid and electrolytes. The frozen formulation masks unpleasant tastes of electrolyte and is readily consumed children.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: February 9, 1999
    Assignee: PTS Labs LLC
    Inventors: Christopher S. Waite, R. Douglas Frix
  • Frozen rehydration formulation and delivery system therefor
    Patent number: 5869458
    Abstract: A rehydrating freezer pop provides a convenient and effective way of replenishing lost fluid and electrolytes. The frozen formulation masks unpleasant tastes of electrolyte and is readily consumed children.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: February 9, 1999
    Inventors: Christopher S. Waite, R. Douglas Frix