Patents by Inventor Ellen Marschall-Helman

Ellen Marschall-Helman 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: 4518615
    Abstract: A chewing gum base composition that does not adhere to dentures, removable and fixed oral prostethic devices, fillings or natural teeth. The chewing gum base composition includes an elastomer, elastomer solvent, polyvinyl acetate, emulsifier, low molecular weight polyethylene, waxes, plasticizer and fillers.
    Type: Grant
    Filed: August 23, 1983
    Date of Patent: May 21, 1985
    Assignee: Warner-Lambert Company
    Inventors: Subraman R. Cherukuri, Ellen Marschall-Helman, Frank T. Hriscisce