Patents by Inventor Ernest Campion

Ernest Campion 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).

  • Trailer hitch
    Patent number: 4076273
    Abstract: A trailer hitch having an incrementally, vertically adjustable ball is disclosed. The hitch includes arms which interconnect the hitch to the hydraulic arms of a tractor. The adjustable ball receives a socket of an agricultural implement.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: February 28, 1978
    Inventor: Ernest Campion