Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8024995 | Systems and methods of a power tool system with interchangeable functional attachments powered by a direct rotational drive | Douglas C. Dayton, Sung Park | 2011-09-27 |
| 7926141 | Systems and methods of a gutter cleaning system | Douglas C. Dayton, Sung Park | 2011-04-19 |
| 7913345 | Systems and methods of a power tool system with interchangeable functional attachments | Douglas C. Dayton, Sung Park | 2011-03-29 |