Patents by Inventor J. Donald McGregor

J. Donald McGregor 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).

  • Flexible bearing having reinforcements
    Patent number: 3958840
    Abstract: A flexible bearing is constructed of layers of elastomer and rigid shims, alternately stacked and bonded together. At least some of the rigid shims are replaced with flexible reinforcements of refractory cloth or wire screen. The reinforcing material minimizes the number of rigid shims required. In some applications, the rigid shims may be completely eliminated.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: May 25, 1976
    Assignee: Thiokol Corporation
    Inventors: Charles C. Hickox, J. Donald McGregor