DG

Dale M. Groendal

ST Steelcase: 16 patents #62 of 809Top 8%
SD Steelcase Development: 10 patents #36 of 472Top 8%
📍 Jenison, MI: #7 of 168 inventorsTop 5%
🗺 Michigan: #2,544 of 86,293 inventorsTop 3%
Overall (All Time): #146,483 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
10413083 Chair assembly Todd David Krupiczewicz, Jeffrey A. Hall, Gordon J. Peterson 2019-09-17
9986848 Chair assembly method Todd David Krupiczewicz, Jeffrey A. Hall, Gordon J. Peterson 2018-06-05
9706853 Chair assembly Todd David Krupiczewicz, Jeffrey A. Hall, Gordon J. Peterson 2017-07-18
9167910 Chair assembly Todd David Krupiczewicz, Jeffrey A. Hall, Gordon J. Peterson 2015-10-27
8973990 Chair assembly Todd David Krupiczewicz, Jeffrey A. Hall, Gordon J. Peterson 2015-03-10
6786548 Chair construction Peter J. Pearce, Kurt R. Heidmann, Robert J. Battey, Bruce M. Smith 2004-09-07
6536841 Synchrotilt chair Peter J. Pearce, Kurt R. Heidmann, Robert J. Battey, Bruce M. Smith 2003-03-25
D463920 Chair Peter J. Pearce, Bruce M. Smith 2002-10-08
D461327 Chair Peter J. Pearce, Bruce M. Smith 2002-08-13
D457739 Chair Peter J. Pearce, Bruce M. Smith 2002-05-28
D457007 Chair Peter J. Pearce, Bruce M. Smith 2002-05-14
D456627 Chair Peter J. Pearce, Bruce M. Smith 2002-05-07
D451693 Chair Peter J. Pearce, Bruce M. Smith 2001-12-11
6099076 Chair back construction Duane F. Nagel, Daniel P. Beemer, Jeffrey A. Hall, Edward L. Tyler 2000-08-08
6062649 Chair back construction Duane F. Nagel, Daniel P. Beemer, Jeffrey A. Hall, Edward L. Tyler 2000-05-16
5935364 Thermal forming upholstery process James J. Keyzer 1999-08-10
D412417 Chair David C. Jenkins, Jeffrey Alan Hoefer 1999-08-03
5851457 Method of forming an upholstered foam plastic seat cushion Gordon J. Peterson, Edward H. Punches 1998-12-22
5842264 Chair construction and method of assembly Charles P. Roossien, David C. Pugh, James E. Massey, Robert Scheper, Duane F. Nagel +3 more 1998-12-01
5662381 Chair construction and method of assembly Charles P. Roossien, David C. Pugh, James E. Massey, Robert Scheper, Duane F. Nagel +3 more 1997-09-02
5630643 Upholstered chair with two-piece shell Brian L. Scholten, James E. Abraham, Robert Scheper, Thomas R. Hahn, Douglas A. Smith 1997-05-20
5540481 Chair with zero front rise control Charles P. Roossien, James E. Massey, Robert Scheper, Douglas A. Smith, David C. Pugh 1996-07-30
D360770 Chair Robert Scheper, James E. Abraham, Thomas R. Hahn, Cheryl D. Baumgartner, Douglas A. Smith +1 more 1995-08-01
D355303 Chair Robert Scheper, James E. Abraham, Thomas R. Hahn, Cheryl D. Baumgartner, Douglas A. Smith +1 more 1995-02-14
5385388 Split back chair Frederick S. Faiks, Carl V. Forslund, III, Robert Scheper, Craig M. Anderson, Glenn A. Knoblock 1995-01-31