Patents by Inventor Richard R. Glisson

Richard R. Glisson 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).

  • Adjustable compression bone screw
    Patent number: 4858601
    Abstract: An adjustable compression bone screw that has a shaft having first and second sections each with an external screw thread that may be rotated as a unit or independently. The screw includes means adapted to receive a first driving tool for driving the shaft as unit and further adapted to receive a second driving tool for rotating the second section independently of the first section.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: August 22, 1989
    Inventor: Richard R. Glisson