Patents by Inventor William D. Juusola

William D. Juusola 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).

  • Patent number: 3983745
    Abstract: A testing apparatus for cyclically loading specimens of a known configuration to determine properties of materials from propagation or growth of a crack through the specimen including means to provide a direct output which is a function of crack length derived from measurements of the load and the displacement of the specimen.
    Type: Grant
    Filed: August 8, 1975
    Date of Patent: October 5, 1976
    Assignee: MTS Systems Corporation
    Inventor: William D. Juusola