RS

Robert Scheper

ST Steelcase: 61 patents #8 of 809Top 1%
SD Steelcase Development: 10 patents #36 of 472Top 8%
📍 Grand Rapids, MI: #10 of 1,824 inventorsTop 1%
🗺 Michigan: #453 of 86,293 inventorsTop 1%
Overall (All Time): #27,442 of 4,157,543Top 1%
72
Patents All Time

Issued Patents All Time

Showing 51–72 of 72 patents

Patent #TitleCo-InventorsDate
5979988 Modular chair construction and method of assembly Kurt R. Heidmann, Brian L. Christensen, Michael W. Haan, Glenn A. Knoblock, Eric McClure +6 more 1999-11-09
5964436 Chair base Robert J. Battey, Robert S. Grooters, Kurt R. Heidmann, John L. Hendricks, Michael A. Kolarik +2 more 1999-10-12
5906343 Chair base Robert J. Battey, Robert S. Grooters, Kurt R. Heidmann, John L. Hendricks, Michael A. Kolarik +2 more 1999-05-25
5873634 Modular chair construction and method of assembly Kurt R. Heidmann, Brian L. Christensen, Micahel W. Haan, Glenn A. Knoblock, Eric McClure +6 more 1999-02-23
5871258 Chair with novel seat construction Robert J. Battey, Glenn A. Knoblock, Larry DeKraker, Kurt R. Heidmann, Michelle R. Johnson 1999-02-16
5842264 Chair construction and method of assembly Charles P. Roossien, David C. Pugh, Dale M. Groendal, James E. Massey, Duane F. Nagel +3 more 1998-12-01
5782536 Modular chair construction and method of assembly Kurt R. Heidmann, Brian L. Christensen, Michael W. Haan, Glenn A. Knoblock, Eric McClure +6 more 1998-07-21
5662381 Chair construction and method of assembly Charles P. Roossien, David C. Pugh, Dale M. Groendal, James E. Massey, Duane F. Nagel +3 more 1997-09-02
5630647 Tension adjustment mechanism for chairs Kurt R. Heidmann, Brian L. Christensen, Michael W. Haan, Glenn A. Knoblock, Eric McClure +6 more 1997-05-20
5630643 Upholstered chair with two-piece shell Brian L. Scholten, James E. Abraham, Dale M. Groendal, Thomas R. Hahn, Douglas A. Smith 1997-05-20
5540481 Chair with zero front rise control Charles P. Roossien, Dale M. Groendal, James E. Massey, Douglas A. Smith, David C. Pugh 1996-07-30
D360770 Chair Dale M. Groendal, James E. Abraham, Thomas R. Hahn, Cheryl D. Baumgartner, Douglas A. Smith +1 more 1995-08-01
D355303 Chair Dale M. Groendal, James E. Abraham, Thomas R. Hahn, Cheryl D. Baumgartner, Douglas A. Smith +1 more 1995-02-14
D355081 Chair 1995-02-07
5385388 Split back chair Frederick S. Faiks, Carl V. Forslund, III, Craig M. Anderson, Glenn A. Knoblock, Dale M. Groendal 1995-01-31
D354634 Chair Bruce M. Smith 1995-01-24
D351070 Chair Dale M. Groendal, James E. Abraham, Thomas R. Hahn, Cheryl D. Baumgartner, Douglas A. Smith +1 more 1994-10-04
D348570 Chair Bruce M. Smith 1994-07-12
5318346 Chair with zero front rise control Charles P. Roossien, David C. Pugh, Dale M. Groendal, James E. Massey, Daniel P. Beemer +4 more 1994-06-07
5249839 Split back chair Frederick S. Faiks, Carl V. Forslund, III, Craig M. Anderson 1993-10-05
D321994 Chair 1991-12-03
4938530 Wire frame chair Carlon D. Snyder 1990-07-03