Patents by Inventor Robert Ratcliffe

Robert Ratcliffe 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: 6574819
    Abstract: Devices and methods for removing dew from grassy areas, such as golf courses. One embodiment comprises a plurality of beaded lines comprising lead weights which are disposed within an outer synthetic rope sheath. The ends of the flexible elongated member comprise means for attaching the elongated member to at least one and preferably two separate tractors. Dew is removed by connecting at least one of the aforesaid devices to at least one tractor and dragging the device across the grassy area.
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: June 10, 2003
    Inventor: Robert Ratcliffe