Patents by Inventor Alan R. Libby

Alan R. Libby 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).

  • Plane transducer
    Patent number: D370422
    Type: Grant
    Filed: November 16, 1994
    Date of Patent: June 4, 1996
    Assignee: Chicago Bridge and Iron Technical Services Company
    Inventor: Alan R. Libby