Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7612126 | Low-VOC aqueous coating compositions with excellent freeze-thaw stability | Konrad Roschmann, Joerg Leuninger, Rolf Dersch, Cheng-Le Zhao, Li Zhuo | 2009-11-03 |
| 6933415 | Low-VOC aqueous coating compositions with excellent freeze-thaw stability | Cheng-Le Zhao, Li Zhuo | 2005-08-23 |
| D477309 | Remote control leash | Jon Cunninham | 2003-07-15 |