Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633113 | Focusing electrode and method for field emission displays | Zhongyi Xia, Charles M. Watkins, David A. Cathey | 2003-10-14 |
| 6524154 | Focusing electrode and method for field emission displays | Zhongyi Xia, Charles M. Watkins, David A. Cathey | 2003-02-25 |
| 6509677 | Focusing electrode and method for field emission displays | Zhongyi Xia, Charles M. Watkins, David A. Cathey | 2003-01-21 |
| 6504291 | Focusing electrode and method for field emission displays | Zhongyi Xia, Charles M. Watkins, David A. Cathey | 2003-01-07 |