Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697808 | Walking assistance system | Paul Larson, Jerrold S. Petrofsky, Chandler A. Phillips | 1987-10-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697808 | Walking assistance system | Paul Larson, Jerrold S. Petrofsky, Chandler A. Phillips | 1987-10-06 |