Patents Assigned to Isabell L. Gauntner
  • Magnetic door stop
    Patent number: D253335
    Type: Grant
    Filed: April 20, 1977
    Date of Patent: November 6, 1979
    Assignees: Ralph J. Gauntner, Isabell L. Gauntner
    Inventors: Ralph J. Gauntner, Alec A. Shilin