Patents by Inventor Roger E. Sargeant

Roger E. Sargeant 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).

  • Pneumatic dental scaler
    Patent number: 4289486
    Abstract: The tip of a dental scaler is caused to move in a linear path by converting the rotary motion of a pneumatic turbine to periodic vibrations. The turbine will be continuously operating and the vibratory tip drive will be produced only when the tip is urged against a tooth.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: September 15, 1981
    Assignee: Innovate, Inc.
    Inventor: Roger E. Sargeant