Patents Assigned to Allan J. Jochum
  • Dental impression tray
    Patent number: 5478235
    Abstract: A dental impression tray having a rough textured surface which provides a multiplicity of pits made up of valleys and peaks, holes that don't penetrate through the tray, cavities, craters, crevices, ledges and/or undercuts which retain and/or stabilize the impression material. The rough textured surface of the handle provides a non-slip surface for a gloved hand.
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: December 26, 1995
    Assignees: Harry J. Schuldt, Donald P. Jochum, Allan J. Jochum
    Inventors: Harry J. Schuldt, Donald P. Jochum, Allan J. Jochum, Steven R. Jefferies