Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883779 | Ceramic articles containing silicon carbide | Jerome W. McAllister, Harold G. Sowman | 1989-11-28 |
| 4800180 | Ceramic articles containing silicon carbide | Jerome W. McAllister, Harold G. Sowman | 1989-01-24 |
| 4798814 | Oxidation resistant alumina-silica articles containing silicon carbide and carbon | George F. Everitt, Terence P. Johnson | 1989-01-17 |