Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7428940 | Steerable transport trolley | Bernd Raetze, Robert John Ellis, Norman Ian Mathers | 2008-09-30 |
| 5649883 | Racer wheelchair trainer | Jerome M. Burak | 1997-07-22 |
| 5643143 | Wheelchair trainer | Jerome M. Burak | 1997-07-01 |
| 5333894 | Wheel mounting apparatus for wheelchairs | — | 1994-08-02 |