Patents by Inventor Dennis Earl Phillips

Dennis Earl Phillips 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).

  • Patent number: 5749593
    Abstract: A lift mechanism for use with a tractor and a convertor dolly. The lift mechanism includes an elongated arm having a first end and a second end; tractor attachment structure for pivotally attaching the first end of the arm to a tractor; convertor dolly attachment structure for attaching the second end of the arm to a convertor dolly; and actuating structure for raising the second end of the arm.
    Type: Grant
    Filed: March 25, 1996
    Date of Patent: May 12, 1998
    Inventors: Dennis Earl Phillips, Dennis Nathan Wright