| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | United States | 2 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | Mexico | 1 | |
| #8 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Physical training equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dofel Andrew William Roger | 7 |
| #2 | Dofel Andrew W R | 4 |
| #3 | Dofel A W R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4693471A | Resilient support | |
| AU4656285A | Resilient support for exercise device | |
| EP0173549A1 | A resilient support | |
| BR8401079A | Assembly of resistance for a gymnastics device and gymnastics device | |
| AU3736885A | A hanger | |
| US4521013A | Resilient type exercising device | |
| AU1265983A | Exercise device |