Patents by Inventor Michael E. Razzoog

Michael E. Razzoog has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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