Patents Assigned to Lucille L. Filson
  • Topical salve
    Patent number: 4315916
    Abstract: A compound derived from dried bittersweet root bark is combined with zinc chloride to form a salve which is topically applied to remove unwanted growths from the skin.
    Type: Grant
    Filed: December 28, 1979
    Date of Patent: February 16, 1982
    Assignee: Lucille L. Filson
    Inventors: Jonas S. Likens, deceased, by Ruby L. Ford, heir, by Mary F. L. Coulter, heir, by Pauline L. Coulter, heir, by Lucille L. Filson, heir