Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10549149 | Balance board rotational weighted resistance trainer | — | 2020-02-04 |
| 5323666 | Transmission system with parallel input and concentric outputs | Michael Etherington | 1994-06-28 |
| 5301787 | Articulated shuttlecar | Michael Etherington | 1994-04-12 |
| 5261617 | Cable reeler | Michael Etherington | 1993-11-16 |
| 5253727 | Steering mechanism for an articulated vehicle | Michael Etherington | 1993-10-19 |
| 5244072 | Articulation joint | Michael Etherington | 1993-09-14 |