Patents by Inventor Joseph C. Cooper

Joseph C. Cooper 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).

  • Earth working attachment for tractors
    Patent number: 4260028
    Abstract: An earth working attachment which can be easily manufactured, assembled and installed on a tractor of any size but is primarily suitable for garden type tractors as have low horsepower and includes tractor mounting brackets, a main beam supporting the earth working tools, and a lifting means for raising and lowering the tools in a plane exteriorly of the rear wheels of the tractor.
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: April 7, 1981
    Inventor: Joseph C. Cooper