DT

David S. Teppo

SD Steelcase Development: 21 patents #12 of 472Top 3%
ST Steelcase: 11 patents #84 of 809Top 15%
Overall (All Time): #114,164 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 25 most recent of 32 patents

Patent #TitleCo-InventorsDate
7712834 Back support for seating unit Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson +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 Arnold B. Dammermann, Larry DeKraker, Kurt R. Heidmann, Gordon J. Peterson, Charles P. Roossien +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, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2004-06-15
6662731 Nestable table with slotted table top John Hamilton, Brett Kincaid, James D. Houda 2003-12-16
6554364 Articulating armrest Arnold B. Dammermann, David Bodnar, Michael L. Deimen, Thomas R. Hahn, Duane F. Nagel +2 more 2003-04-29
6460928 Seating unit including novel back construction Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2002-10-08
6394549 Seating unit with reclineable back and forwardly movable seat Larry DeKraker, Kurt R. Heidmann, Glenn A. Knoblock 2002-05-28
6394546 Lumbar device Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2002-05-28
6394545 Back for seating unit Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2002-05-28
6367877 Back for seating unit Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2002-04-09
6349992 Seating unit including novel back construction Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 2002-02-26
D442791 Chair George J. Simons, Jr., David C. Jenkins, Arnold B. Dammermann, Thomas B. Eich, Thomas Overthun +1 more 2001-05-29
D442400 Seating unit George J. Simons, Jr., David C. Jenkins, Arnold B. Dammermann, Thomas B. Eich, Thomas Overthun +1 more 2001-05-22
6227635 Storage cabinet with handle operated door Harold Halvorson, Jr. 2001-05-08
D439451 Back for a seating unit George J. Simons, Jr., David C. Jenkins, Arnold B. Dammermann, Thomas B. Eich, Thomas Overthun +1 more 2001-03-27
D438733 Lumbar region of a chair back David C. Jenkins, Arnold B. Dammermann, Kurt R. Heidmann 2001-03-13
D421540 Chair back David C. Jenkins, Arnold B. Dammermann, Markus P. Diebel, Gardner Klaasen, John Stoddard 2000-03-14
5979984 Synchrotilt chair with forwardly movable seat Larry DeKraker, Kurt R. Heidmann, Glenn A. Knoblock 1999-11-09
5975634 Chair including novel back construction Glenn A. Knoblock, Arnold B. Dammermann, Larry DeKraker, Kevin A. Ekdahl, Kurt R. Heidmann +6 more 1999-11-02
D414349 Chair David C. Jenkins, Arnold B. Dammermann, Markus P. Diebel, Gardner Klaasen, John Stoddard 1999-09-28