| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Physical training equipment | |
| #2 | Special measuring | |
| #3 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wood Donald C | 15 |
| #2 | Means David W | 9 |
| #3 | Denny Bradley J | 1 |
| #4 | Russell Kenneth R | 1 |
| #5 | Lindsay Norman M | 1 |
| #6 | Denicolo Clifford D | 1 |
| #7 | Boone David D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO02092175A1 | Golf club head having a device for resisting expansion between opposing walls during ball impact | |
| US5951411A | Hosel coupling assembly and method of using same | |
| US5851155A | Hosel construction and method of making the same | |
| US6083123A | Method for fitting golf clubs for golfers | |
| US5997415A | Golf club head | |
| US5864960A | Golf club fitting system and method of using same | |
| US5935014A | Golf swing analyzing equipment |