| 7066537 |
Chair back construction |
Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Erik A. Steffensen |
2006-06-27 |
| 7014269 |
Chair back construction |
Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Erik A. Steffensen |
2006-03-21 |
| 6729691 |
Chair back construction |
Marcus C. Koepke, Jay R. Michael, Matthew J. Phillips, Douglas A. Schroeder, Craig H. Schultz +1 more |
2004-05-04 |
| 6669292 |
Ergonomic chair |
Marcus C. Koepke, Jamie Krull, Jay R. Machael, Keith L. Davis, Amin K. Habboub +6 more |
2003-12-30 |
| 6652030 |
Chair seat |
John P. Conner, Robert L. Russell, Steve Finney |
2003-11-25 |
| D477151 |
Armless ergonomic chair |
Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +4 more |
2003-07-15 |
| D477164 |
Chair back |
Marcus C. Koepke, Erik A. Steffensen, Craig H. Schultz, Douglas A. Schroeder, Patrick Burgess +1 more |
2003-07-15 |
| D476821 |
Ergonomic chair |
Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +4 more |
2003-07-08 |
| 6523900 |
Chair seat |
John P. Conner, Robert L. Russell, Steve Finney |
2003-02-25 |
| D462858 |
Chair back frame |
Marcus C. Koepke, Erik A. Steffensen, Craig H. Schultz, Douglas A. Schroeder, Patrick Burgess +1 more |
2002-09-17 |
| D462187 |
Chair |
Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +3 more |
2002-09-03 |
| D460869 |
Chair |
Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +3 more |
2002-07-30 |
| 6168239 |
Seat back with shaped internal ribs |
John P. Conner, Steven E. Finney, Richard A. Thalen, Robert L. Russell |
2001-01-02 |
| 6042187 |
Seat back with aperture identifiers |
John P. Conner, Steven E. Finney, Richard A. Thalen, Robert L. Russell |
2000-03-28 |
| 6033027 |
Seat back with corner indentations |
John P. Conner, Steven E. Finney, Richard A. Thalen, Robert L. Russell |
2000-03-07 |
| 5951110 |
Contoured plastic seat back |
John P. Conner, Steven E. Finney, Richard A. Thalen, Robert L. Russell |
1999-09-14 |