Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482894 | Quick set ebonite composition | Rong J. Chang, William L. Betts | 2002-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482894 | Quick set ebonite composition | Rong J. Chang, William L. Betts | 2002-11-19 |