Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7070541 | Educational tracks and apparatuses | Stephen J. Madigan, Larry Eugene Hess, Cynthia Anne Hess | 2006-07-04 |
| D507601 | Set of borders for educational walking pathways | Stephen J. Madigan, Larry Eugene Hess, Cynthia Anne Hess | 2005-07-19 |
| D507304 | Set of borders for educational walking pathways | Stephen J. Madigan, Larry Eugene Hess, Cynthia Anne Hess | 2005-07-12 |
| D506782 | Educational walking track | Stephen J. Madigan, Larry Eugene Hess, Cynthia Anne Hess | 2005-06-28 |
| D505978 | Educational walking track | Stephen J. Madigan, Larry Eugene Hess, Cynthia Anne Hess | 2005-06-07 |
| D505159 | Educational walking track | Stephen J. Madigan, Larry Eugene Hess, Cynthia Anne Hess | 2005-05-17 |