Patents by Inventor John S. Eaton

John S. Eaton 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).

  • Compact sectionalized drilling mast, power arrangement and support means therefor
    Patent number: 4305237
    Abstract: A sectionalized drilling mast, power arrangement and support means therefor includes base means to support the drilling mast means when reclined and when erect.
    Type: Grant
    Filed: June 13, 1980
    Date of Patent: December 15, 1981
    Assignee: PRE Corporation
    Inventors: Paul E. Borg, John S. Eaton, David M. Limbert