Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7691039 | Step barrel/chair exercise apparatus | Ken Endelman, Brian Patrick Janowski | 2010-04-06 |
| 7604579 | Step barrel/chair exercise apparatus | Ken Endelman, Brian Patrick Janowski | 2009-10-20 |