Patents by Inventor James Stark

James Stark 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).

  • Roller bearing
    Patent number: 4666316
    Abstract: An improved recirculating roller bearing and a roller element therefor is disclosed in which the end members of the rollers have an axial bore within a portion of the cylindrical end member. The axial bore extends between 30% and 50% of the length, and between 20% and 30% of the diameter of the cylindrical end member.
    Type: Grant
    Filed: April 19, 1982
    Date of Patent: May 19, 1987
    Inventor: James A. Stark