Patents Represented by Attorney Phillip P. Soo

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  • Hand instrument for detaching orthodontic brackets from teeth
    Patent number: 7549860
    Abstract: A hand instrument for debonding an adhesively bonded orthodontic bracket from a patient's tooth includes two jaws, each of which includes a contact pad for engaging opposite sides of the bracket. When the jaws are moved together, at least a majority of the area of each contact pad that contacts the side of the bracket is located beneath the archwire slot of the bracket in a lingual direction in order to facilitate fracture of the adhesive bond and release of the bracket from the tooth surface.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: June 23, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Philip P. Soo, Fay T. Salmon, John A. Verdouw, Ming-Lai Lai, James D. Clearly