Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499856 | Foldable front-entry walker having resistance to backward motion | Michael R. Sorrell, Lawrence W. Engdahl | 1996-03-19 |
| 5271422 | Safety walker | Michael R. Sorrell | 1993-12-21 |