Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888240 | High strength particulates | A. Richard Sinclair | 1989-12-19 |
| 4839049 | Ceramic composition | John W. Kinney, Jr. | 1989-06-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888240 | High strength particulates | A. Richard Sinclair | 1989-12-19 |
| 4839049 | Ceramic composition | John W. Kinney, Jr. | 1989-06-13 |