Patents by Inventor Douglas J. Fields

Douglas J. Fields 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).

  • Highway marking tape removal apparatus
    Patent number: 6174104
    Abstract: A tape removal apparatus adapted to be towed behind a vehicle for removing marking tape from a road comprises a road frame hitched to the vehicle and having a pair of wheels to allow the road frame to be towed behind the vehicle and a pickup mast having a center section coupled to the road frame, a lower section extending from the center section toward the road and having a drive roller configured to engage the tape on the road to remove the tape from the road, an upper section extending from the center section toward the vehicle, and a pinch roller. The pinch roller is configured to receive the tape from the drive roller as the tape removal apparatus is towed behind the vehicle.
    Type: Grant
    Filed: January 8, 1999
    Date of Patent: January 16, 2001
    Inventor: Douglas J. Fields