Patents by Inventor David R. Butts

David R. Butts 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).

  • Vehicle cargo clamp
    Patent number: 5161762
    Abstract: A cargo clamp for a van, the van having cargo space defined by a floor, upwardly extending sidewalls and a roof. The cargo clamp comprises a transverse track that extends between the sidewalls below the roof and is supported below the roof and is held in place by side rails on each side. A clamp is attached to the track and is movable along the side rails between the sidewalls. The clamp also includes a downwardly extending brace that engages and restrains sheet material that is positioned on edge in the cargo space. The clamp includes a handle and bolt for engagement in a threaded hole for securing the clamp to the track at a selected position.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: November 10, 1992
    Inventors: Peter V. Stewart, David R. Butts
  • Vehicle cargo clamp
    Patent number: 5082404
    Abstract: A cargo clamp for a van, the van having cargo space defined by a floor, upwardly extending sidewalls and a roof. The cargo clamp comprises a transverse track that extends between the sidewalls below the roof and is supported below the roof and is held in place by side rails on each side. A clamp is attached to the track and is movable along the side rails between the sidewalls. The clamp also includes a downwardly extending brace that engages and restrains sheet material that is positioned on edge in the cargo space. The clamp includes a handle and bolt for engagement in a threaded hole for securing the clamp to the track at a selected position.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: January 21, 1992
    Inventors: Peter V. Stewart, David R. Butts