Patents by Inventor Mark Stenftenagel

Mark Stenftenagel 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).

  • Patent number: 6880470
    Abstract: A waste disposal apparatus with a retractable drop chute for delivering waste to a waste container movably connected beneath a surface covering the entire waste container.
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: April 19, 2005
    Assignee: Eco Tekk International, LLC
    Inventors: Richard J. Sidor, Mark Stenftenagel, Salvatore S. Graziano
  • Publication number: 20030230218
    Abstract: The present invention provides a waste disposal apparatus with an extensible connection for integration into a piece of furniture.
    Type: Application
    Filed: September 23, 2002
    Publication date: December 18, 2003
    Inventors: Richard J. Sidor, Mark Stenftenagel, Salvatore S. Graziano
  • Patent number: 6615747
    Abstract: A modular workstation comprising a plurality of abutting arcuate bases. Each base is comprised of a pair of spaced, parallel inner and outer panel segments oriented generally vertically, with the inner panel segment being offset vertically in relation to the outer panel segment. A web extends between the two panel segments, and the panel segments and the web comprise a unitary body. A series of the bases are joined together, and a generally horizontal worksurface is provided, supported on the inner panel segments. A plurality of legs supports the bases at a predetermined elevation. A reference shelf and privacy canopy can be included in the workstation.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: September 9, 2003
    Assignee: Rieke Office Interiors
    Inventors: Mark Stenftenagel, Salvatore Graziano
  • Publication number: 20030067256
    Abstract: A modular workstation comprising a plurality of abutting arcuate bases. Each base is comprised of a pair of spaced, parallel inner and outer panel segments oriented generally vertically, with the inner panel segment being offset vertically in relation to the outer panel segment. A web extends between the two panel segments, and the panel segments and the web comprise a unitary body. A series of the bases are joined together, and a generally horizontal worksurface is provided, supported on the inner panel segments. A plurality of legs supports the bases at a predetermined elevation. A reference shelf and privacy canopy can be included in the workstation.
    Type: Application
    Filed: October 9, 2001
    Publication date: April 10, 2003
    Inventors: Mark Stenftenagel, Salvatore Graziano
  • Patent number: 6170406
    Abstract: An improved recessed computer monitor table that is capable of quickly and easily providing for height and angle adjustment of a computer monitor. The table comprises a top that has an opening adapted to receive the computer monitor and a support base attached to the top. Also, one or more recess side panels are adapted to mount to the top lower portion. Further, a rod adjuster assembly and one or more adjuster panels are provided. The one or more adjuster panels are adapted to adjustably mount to the one or more recess side panels and have one or more slots disposed on the one or more adjuster panels. The one or more slots are also adapted to receive the rod adjuster assembly. At least one recess top pan is provided that is pivotably mounted to the one or more adjuster panels at a first end and movably mounted to the one or more adjuster panels at a second end having the at least one slot.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: January 9, 2001
    Assignee: Bretford Manufacturing, Inc.
    Inventors: Mark P. Klein, John W. Poremba, Salvatore S. Graziano, Mark Stenftenagel
  • Patent number: 5931488
    Abstract: A wheeled folding gateleg table having a frame member, table top and a pair of gatelegs. Each gateleg includes a foot and at least one wheel on one foot for rolling movement of the upright table.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: August 3, 1999
    Assignee: Bretford Manufacturing, Inc.
    Inventors: Salvatore S. Graziano, Mark Stenftenagel, James W. Brown
  • Patent number: D372812
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 20, 1996
    Assignee: Bretford Manufacturing, Inc.
    Inventors: Salvatore S. Graziano, Mark Stenftenagel, Frank Lakeberg