Patents by Inventor Marvin Plotzka

Marvin Plotzka 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 endgate with integral door
    Patent number: 6874839
    Abstract: A vehicle includes a cargo bed having a floor, side walls and a rear end opening with an endgate pivotally connected at the rear end opening. The endgate is pivotable between a vertical position covering the rear end opening and a horizontal position exposing the rear end opening for cargo loading and unloading. The endgate has a pass-through opening formed therein and includes a door integrally contained within the endgate. The door is pivotable with respect to the endgate between a closed position covering the pass-through opening and an open position to allow loading and unloading of cargo through the pass-through opening when the endgate is in the vertical position.
    Type: Grant
    Filed: March 7, 2003
    Date of Patent: April 5, 2005
    Assignee: General Motors Corporation
    Inventors: John R. Acker, Henry J. Nykiel, Clayton E. Miner, Marvin Plotzka
  • Vehicle endgate with integral door
    Publication number: 20040174035
    Abstract: A vehicle includes a cargo bed having a floor, side walls and a rear end opening with an endgate pivotally connected at the rear end opening. The endgate is pivotable between a vertical position covering the rear end opening and a horizontal position exposing the rear end opening for cargo loading and unloading. The endgate has a pass-through opening formed therein and includes a door integrally contained within the endgate. The door is pivotable with respect to the endgate between a closed position covering the pass-through opening and an open position to allow loading and unloading of cargo through the pass-through opening when the endgate is in the vertical position.
    Type: Application
    Filed: March 7, 2003
    Publication date: September 9, 2004
    Inventors: John R. Acker, Henry J. Nykiel, Clayton E. Miner, Marvin Plotzka