Patents Assigned to Lucille Likens Filson
  • Patent number: 4229437
    Abstract: Dried bittersweet root bark is combined with crystalline zinc chloride to form a salve which is topically applied to remove unwanted growths from the skin. The salve comprises an admixture of a major volumetric proportion of root bark with a minor volumetric proportion of zinc chloride crystals.
    Type: Grant
    Filed: July 18, 1978
    Date of Patent: October 21, 1980
    Assignee: Lucille Likens Filson
    Inventors: Jonas S. Likens, deceased, Lucille L. Filson, heir