Patents by Inventor Bruce H. Ashton

Bruce H. Ashton 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).

  • Rotary cultivators
    Patent number: 4142587
    Abstract: Rotary cultivator having resilient vibration damper acting between the cultivator's drive and a reaction member, to absorb vibration generated by varying torque reaction exerted on the drive during use.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: March 6, 1979
    Assignee: Massey-Ferguson Services N.V.
    Inventors: John W. Woodward, Bruce H. Ashton