Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6902035 | Step stool with step lock | Andrew B. Mendenhall | 2005-06-07 |
| 6840583 | Chair with retractable step stool | Dennis M. Turner, Paul T. Zink, Andrew B. Mendenhall | 2005-01-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6902035 | Step stool with step lock | Andrew B. Mendenhall | 2005-06-07 |
| 6840583 | Chair with retractable step stool | Dennis M. Turner, Paul T. Zink, Andrew B. Mendenhall | 2005-01-11 |