Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758522 | Apparatus and method for varying coefficients of friction in a variable apex back support | Stephen Porter, James Ligon | 2004-07-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758522 | Apparatus and method for varying coefficients of friction in a variable apex back support | Stephen Porter, James Ligon | 2004-07-06 |