Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7559560 | Magic rollator | Sam Liang | 2009-07-14 |
| 7066324 | Sanitary cigarette case | Zhiyong Yin | 2006-06-27 |
| 6946211 | Polymer electrolyte membrane fuel cells | Niels J. Bjerrum, Hans Aage Hjuler | 2005-09-20 |