Patents by Inventor Richard P. Dvorscak

Richard P. Dvorscak 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).

  • Distribution means for partition sheet assembly
    Patent number: 4368673
    Abstract: A partition sheet structure for covered hopper railway cars providing for even fill of commodity between compartments. The structure facilitates the filling operation, and prevents buckling caused by the uneven fills of the cars, while allowing the partition sheet structures to act in its capacity as a structural member of the car.
    Type: Grant
    Filed: April 24, 1981
    Date of Patent: January 18, 1983
    Assignee: Pullman Incorporated
    Inventor: Richard P. Dvorscak