| 11085478 |
Support beam connector system |
Jacob Harvey |
2021-08-10 |
| 8157325 |
Chair back rest with improved resilience and support |
Jay R. Machael, Marcus C. Koepke, Brian L. Erickson, Amin K. Habboub |
2012-04-17 |
| 8016360 |
Adjustable arm rest for chair |
Jay R. Machael, Marcus C. Koepke |
2011-09-13 |
| 7066546 |
Horizontally adjustable chair armrest |
Jay R. Machael, Marcus C. Koepke |
2006-06-27 |
| 6974189 |
Vertically adjustable chair armrest |
Jay R. Machael, Marcus C. Koepke |
2005-12-13 |
| D509388 |
Chair |
Marcus C. Koepke, Jay R. Machael |
2005-09-13 |
| D507908 |
Chair arm pad |
Marcus C. Koepke, Jay R. Machael |
2005-08-02 |
| D507133 |
Armless chair |
Marcus C. Koepke, Jay R. Machael |
2005-07-12 |
| D505579 |
Arm support for a chair |
Marcus C. Koepke, Jay R. Machael |
2005-05-31 |
| D500218 |
Chair arm |
Marcus C. Koepke, Jay R. Machael |
2004-12-28 |
| 6824215 |
Adjustment mechanism with torque limiting and anti-loosening features |
Marcus C. Koepke, Jay R. Machael |
2004-11-30 |
| 6773072 |
Vertically and horizontally adjustable chair armrest |
Matthew J. Phillips, Jay R. Machael |
2004-08-10 |
| 6688692 |
Locking device for chair seat horizontal adjustment mechanism |
Matthew J. Phillips, Jay R. Machael |
2004-02-10 |
| 6669292 |
Ergonomic chair |
Marcus C. Koepke, Jamie Krull, Jay R. Machael, Tim Coffield, Keith L. Davis +6 more |
2003-12-30 |
| 6634711 |
Adjustable chair seat with locking mechanism |
Matthew J. Phillips, Jay R. Machael |
2003-10-21 |
| 6616231 |
Multi-position tilt-limiting mechanism |
Marcus C. Koepke, Jay R. Machael |
2003-09-09 |
| D477162 |
Chair control lever |
Marcus C. Koepke, Jay R. Machael |
2003-07-15 |
| D477151 |
Armless ergonomic chair |
Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +4 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 |
| 6568760 |
Chair of modular construction |
Keith L. Davis, Marcus C. Koepke, Jamie Krull, Jay R. Machael, Matthew J. Phillips +4 more |
2003-05-27 |
| D462187 |
Chair |
Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +3 more |
2002-09-03 |
| D461976 |
Chair control lever |
Marcus C. Koepke, Jay R. Machael |
2002-08-27 |
| D460869 |
Chair |
Marcus C. Koepke, Jay R. Machael, Craig H. Schultz, Douglas A. Schroeder, Erik A. Steffensen +3 more |
2002-07-30 |
| D460643 |
Chair control lever |
Marcus C. Koepke, Jay R. Machael |
2002-07-23 |
| D457421 |
Castor |
Marcus C. Koepke, Erik A. Steffensen |
2002-05-21 |
