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Arnold B. Dammermann

SD Steelcase Development: 6 patents #6 of 159Top 4%
📍 Grand Rapids, MI: #3 of 118 inventorsTop 3%
🗺 Michigan: #95 of 6,198 inventorsTop 2%
Overall (2002): #6,760 of 266,432Top 3%
6
Patents 2002

Issued Patents 2002

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
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