Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860861 | Riding board game controller | Stephen J. Szczecinski, Gregory J. Svetina | 1999-01-19 |
| D403163 | Exercise device | — | 1998-12-29 |
| 5749815 | Portable exercise device | — | 1998-05-12 |
| 5741182 | Sensing spatial movement | Stephen J. Szczecinski, Robert W. Baskette | 1998-04-21 |
| 5685782 | Golf practice apparatus | Stephen J. Szczecinski | 1997-11-11 |
| 5247714 | Convertible mattress system | — | 1993-09-28 |
| 4971325 | Golf practice apparatus | — | 1990-11-20 |