| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Canada | 2 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | New Zealand | 2 | |
| #6 | United States | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Physical training equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dewhurst Peter | 13 |
| #2 | Apostal Michael C | 7 |
| #3 | Dewhurst Peter Apostal Michael | 1 |
| #4 | Peter Dewhurst | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2006022615A1 | Golf club head | |
| CN1764491A | Golf club head with actuating system | |
| KR20060010743A | Golf club head with force transfer system |