Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7600468 | Relay switch for toaster | Huajin Chen | 2009-10-13 |
| 7226010 | Method and apparatus for solid fuel pulverizing operation and maintenance optimization | Paul C. Thulen, Zhongxue Gan | 2007-06-05 |