Patents by Inventor Mark A. Ruggie

Mark A. Ruggie 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).

  • Partition wall panel system
    Patent number: 5381845
    Abstract: A system for connecting partition wall panels includes at least two panels, each having substantially U-shape upper and lower frame members and multi-faced vertical frame members attached to the upper and lower frame pieces. The multi-faced frame members include three faces of substantially equal width, each face adapted to abut against one of three faces of a multi-faced frame member of a similar panel. A connecting clip engages the abutting faces of the frame members at either end thereof.
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: January 17, 1995
    Assignee: Masonite Corporation
    Inventors: Mark A. Ruggie, William J. Schultz
  • Apparatus and method for rotary buffing
    Patent number: 4741783
    Abstract: Apparatus and method for rotary buffing or wiping of workpieces having uneven surfaces in which the workpiece generally linearly advances relative to one or more buffing rolls which are spinning about spin axes disposed in a plane generally parallel to the workpiece surface and simultaneously rotating about an axis generally perpendicuar to the workpiece surface. In a preferred embodiment, the buffing rolls are supported in a rotating carriage with their spin axes in coparallel relationship.
    Type: Grant
    Filed: December 31, 1986
    Date of Patent: May 3, 1988
    Assignee: Masonite Corporation
    Inventors: Lyn R. Daunheimer, Mark A. Ruggie