Patents by Inventor Mitchell Niewiadowski

Mitchell Niewiadowski 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).

  • Adjustable table with worksurface having write-on surface adapted for use as projection screen
    Patent number: 6354227
    Abstract: A portable table including a vertically adjustable upright support, a worksurface connected to the upright support and a one-way locking apparatus engagable with the upright support for locking the upright support in a vertically adjustable position. While the one-way locking apparatus is engaged, the upright support is only upwardly vertically adjustable. The one-way locking apparatus disengages from the upright support when the upright support is fully extended and reengages with the upright support when the upright support is lowered to a lowest vertical position.
    Type: Grant
    Filed: January 11, 2000
    Date of Patent: March 12, 2002
    Assignee: Steelcase Development Corporation
    Inventors: Thomas G. Feldpausch, James P. Keane, George V. Weller, Mitchell Niewiadowski, Joseph R. Branc