Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8985653 | Waste collector | — | 2015-03-24 |
| 7563216 | Push-up exercise device | — | 2009-07-21 |
| 5769197 | Clutch assembly for an exercise apparatus | Joseph Han | 1998-06-23 |
| 5634874 | Portable upper anatomy exercise device | Joseph Han | 1997-06-03 |