Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6171688 | Material and method for the preparation thereof | James Zheng, Roger J. Morgan | 2001-01-09 |
| 5869173 | Composite material and method for the preparation thereof | Qing Zheng, Roger J. Morgan | 1999-02-09 |