Patents Represented by Law Firm Stephenson and Boller Stephenson and Boller
  • Artificial teeth
    Patent number: 4445863
    Abstract: An artificial posterior denture tooth comprising a body shaped to conform generally to the shape of a natural posterior tooth and formed of a plurality of resin materials varying in hardness, wear resistance and strength. The various resins are selectively distributed throughout the body of the tooth to produce an uneven wear pattern consistent with expected changes in the patient's stomatognathic system.
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: May 1, 1984
    Inventors: Brien R. Lang, Michael E. Razzoog