Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D497501 | Lumbar support | Charles Saylor, Matthew E. Chrostowski, Randall Clark Lewis | 2004-10-26 |
| 6688690 | Office chair | Anthony K. Chapman, Matthew E. Chrostowski, Randall Clark Lewis, Timothy P. Coffield, James W. Bach +3 more | 2004-02-10 |