Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371651 | Systems and methods for robotic gutter cleaning along an axis of rotation | Douglas C. Dayton, Sung Park, Jason Robinson | 2016-06-21 |
| 8551254 | Systems and methods for robotic gutter cleaning along an axis of rotation | Douglas C. Dayton, Sung Park, Jason Robinson | 2013-10-08 |
| 7886399 | Systems and methods for robotic gutter cleaning along an axis of rotation | Douglas C. Dayton, Sung Park, Jason Robinson | 2011-02-15 |
| 7563410 | Solid phase extraction apparatus and method | Robert Ricker | 2009-07-21 |