Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883779 | Ceramic articles containing silicon carbide | Lien-Huong T. Pham, Harold G. Sowman | 1989-11-28 |
| 4800180 | Ceramic articles containing silicon carbide | Lien-Huong T. Pham, Harold G. Sowman | 1989-01-24 |