Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7396078 | Music posture chair | Kenneth E. Jacobson | 2008-07-08 |
| 7275788 | Music posture chairs | Thomas A. Dettmann, Paul A. James, Diwa Ratnam, Jodi Tuthill, Mark E. Reeves +1 more | 2007-10-02 |
| D524082 | Chair frame | Thomas A. Dettmann, Paul A. James, Diwa Ratnam, Jodi Tuthill, Mark E. Reeves +1 more | 2006-07-04 |
| D523255 | Posture chair | Thomas A. Dettmann, Paul A. James, Diwa Ratnam, Jodi Tuthill, Mark E. Reeves +1 more | 2006-06-20 |