Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669292 | Ergonomic chair | Marcus C. Koepke, Jamie Krull, Jay R. Machael, Tim Coffield, Keith L. Davis +6 more | 2003-12-30 |
| 6568760 | Chair of modular construction | Keith L. Davis, Marcus C. Koepke, Jamie Krull, Jay R. Machael, Matthew J. Phillips +4 more | 2003-05-27 |