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Arnold B. Dammermann

SD Steelcase Development: 22 patents #10 of 472Top 3%
ST Steelcase: 10 patents #95 of 809Top 15%
Overall (All Time): #108,822 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 25 most recent of 33 patents

Patent #TitleCo-InventorsDate
7712834 Back support for seating unit Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +1 more 2010-05-11
7427105 Back construction for seating unit Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +1 more 2008-09-23
7131700 Back construction for seating unit Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +1 more 2006-11-07
7114777 Chair having reclineable back and movable seat Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien, David S. Teppo +1 more 2006-10-03
7040709 Back construction for seating unit having inverted U-shaped frame Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +1 more 2006-05-09
6991291 Back construction for seating unit having spring bias Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +1 more 2006-01-31
6905171 Seating unit including novel back construction Glenn A. Knoblock, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann, Gardner Klaasen +6 more 2005-06-14
6749261 Seating unit including novel back construction Glenn A. Knoblock, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann, Gardner Klaasen +6 more 2004-06-15
6554364 Articulating armrest David Bodnar, Michael L. Deimen, Thomas R. Hahn, Duane F. Nagel, Charles P. Roossien +2 more 2003-04-29
6471294 Adjustable lumbar support Kurt R. Heidmann, Bruce M. Smith, Michael W. Welsh 2002-10-29
6460928 Seating unit including novel back construction Glenn A. Knoblock, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann, Gardner Klaasen +6 more 2002-10-08
6394545 Back for seating unit Glenn A. Knoblock, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann, Gardner Klaasen +6 more 2002-05-28
6394546 Lumbar device Glenn A. Knoblock, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann, Gardner Klaasen +6 more 2002-05-28
6367877 Back for seating unit Glenn A. Knoblock, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann, Gardner Klaasen +6 more 2002-04-09
6349992 Seating unit including novel back construction Glenn A. Knoblock, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann, Gardner Klaasen +6 more 2002-02-26
6302486 Seating unit with adjustable armrest Michel A. Lamart, Glenn A. Knoblock, Robert S. Grooters, Larry DeKraker, John Hanna J. Hasbany 2001-10-16
D442791 Chair George J. Simons, Jr., David C. Jenkins, Thomas B. Eich, Thomas Overthun, Kurt R. Heidmann +1 more 2001-05-29
D442400 Seating unit George J. Simons, Jr., David C. Jenkins, Thomas B. Eich, Thomas Overthun, Kurt R. Heidmann +1 more 2001-05-22
D439451 Back for a seating unit George J. Simons, Jr., David C. Jenkins, Thomas B. Eich, Thomas Overthun, Kurt R. Heidmann +1 more 2001-03-27
D438733 Lumbar region of a chair back David C. Jenkins, Kurt R. Heidmann, David S. Teppo 2001-03-13
6176550 Adjustable armrest for chairs Michel A. Lamart, Glenn A. Knoblock, Robert S. Grooters, Larry DeKraker, John Hanna J. Hasbany 2001-01-23
6168237 Adjustable armrest for chairs Michel A. Lamart, Glenn A. Knoblock, Robert S. Grooters, Larry DeKraker, John Hanna J. Hasbany 2001-01-02
D421540 Chair back David C. Jenkins, Markus P. Diebel, Gardner Klaasen, John Stoddard, David S. Teppo 2000-03-14
5975634 Chair including novel back construction Glenn A. Knoblock, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann, Gardner Klaasen +6 more 1999-11-02
5971484 Adjustable armrest for chairs Michel A. Lamart, Glenn A. Knoblock, Robert S. Grooters, Larry DeKraker, John Hanna J. Hasbany 1999-10-26