Patents by Inventor Brenton R. Lower

Brenton R. Lower 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).

  • Dilator for cervical canal
    Patent number: 4137922
    Abstract: A novel inflatable device is disclosed for use in dilating various body cavities, and especially the human cervix, comprising an envelope member having an enlarged bulbous portion on one end, and a shield at the opposite end. The envelope member is inflatable with suitable gasses such as carbon dioxide, or liquids such as saline, distilled water and the like.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: February 6, 1979
    Assignee: Ortho Pharmaceutical Corp.
    Inventors: Robert I. Leininger, Joseph R. Preston, Brenton R. Lower