Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007220 | Wheelchair lifting bay | Philip Wickens, Stephen Campbell | 2011-08-30 |
| 7628736 | Muscle exercise device | — | 2009-12-08 |
| 5252086 | Modular powerway with selectable receptacle | Scott H. Russell, Craig M. Anderson, Steven C. Deer, Mark T. Slager, Charles Ondrejka +1 more | 1993-10-12 |