Patents by Inventor Irvin E. Dorschner

Irvin E. Dorschner 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).

  • Portable stage
    Patent number: 3964402
    Abstract: A portable stage having plural separable stage units with means for holding adjacent stage units in fixed relation and at the same or different heights, including a pair of elongate grooved members associated one with each stage unit and with clamp mechanism positionable within the grooves of both of said members for imparting rigidity to the adjacent stage units and for holding said stage units locked to each other.
    Type: Grant
    Filed: May 1, 1974
    Date of Patent: June 22, 1976
    Assignee: Wenger Corporation
    Inventors: James F. Jenne', Irvin E. Dorschner, Harvey M. Urch, Jerry A. Wenger