| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Republic of Korea | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Brazil | 1 | |
| #8 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Transport | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Climate change mitigation in transportation | |
| #2 | Ships | |
| #3 | Skates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stubblefield Donald P | 17 |
| #2 | Stubblefield Jerry D | 11 |
| #3 | Stubblefield Donald T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20080113019A | Apparatus and method for reducing fluid drag on a submerged surface | |
| KR20130102135A | Apparatus and method for reducing fluid drag on a submerged surface | |
| US2006231004A1 | Apparatus and method for reducing fluid drag on a submerged surface | |
| US2006156965A1 | Apparatus and method for reducing fluid drag on a submerged surface | |
| US6382658B1 | Method of making a snowboard having improved turning performance | |
| US6394483B2 | Snowboard body | |
| US5823562A | Snowboard |