Patents by Inventor E. Preston Jenkins

E. Preston Jenkins 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: 5055108
    Abstract: The invention is to a liquid filled soft pouch attached to an upper partial or complete denture or a Hawley appliance for moisturizing a dry mouth (Xerostomia) the pouch having a fill valve and an exit valve, the latter operated by the tongue to permit exit of liquid, artifical salvia, to wet the mouth. The exit valve may be eliminated by employing a lower surface of the pouch which is porous so that it in effect sweats and liquid may be acquired by running the tongue over the porous surface.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: October 8, 1991
    Inventor: E. Preston Jenkins