Patents Examined by Brown, Peter R.
  • Apparatus for securing an instrument holder to a dental chair
    Patent number: 5176423
    Abstract: The apparatus secures a dental instrument holder to the movable backrest of a dental chair. The apparatus maintains a preselected orientation of the holder irrespective of movement of the backrest.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: January 5, 1993
    Assignee: A-Dec, Inc.
    Inventors: George K. Austin, Jr., Bradley A. Rice