Patents by Inventor Ruth N. Warwick

Ruth N. Warwick 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).

  • Personal flotation system
    Patent number: 4861301
    Abstract: A haversack adapted to securely hold an ice chest and having a strap means to releasably attach the haversack to a toroid flotation device, e.g., an automobile inner tube, preferably on the exterior of the tube.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: August 29, 1989
    Inventors: Jimmy R. Pomeroy, Ruth N. Warwick