Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729691 | Chair back construction | Marcus C. Koepke, Tim Coffield, Matthew J. Phillips, Douglas A. Schroeder, Craig H. Schultz +1 more | 2004-05-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729691 | Chair back construction | Marcus C. Koepke, Tim Coffield, Matthew J. Phillips, Douglas A. Schroeder, Craig H. Schultz +1 more | 2004-05-04 |