| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Taiwan | 5 | |
| #2 | United States | 3 | |
| #3 | Canada | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Physical training equipment | |
| #2 | Unspecified technologies | |
| #3 | Chairs and beds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shifferaw Tessema D | 11 |
| Publication | Filing date | Title |
|---|---|---|
| TW518243B | Improved apparatus and methods for abdominal muscle and gluteal muscle exercise | |
| US5277675A | Resilient exercise board | |
| US5039088A | Exercise machine | |
| US4790596A | Resilient chair | |
| CA1264778A | Universal exercising machine | |
| EP0265430A1 | Universal exercising machine. |