Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641716 | Glass production method using ilmenite | Paige L. Higby, Bret E. Penrod, J. Joseph Cheng | 1997-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641716 | Glass production method using ilmenite | Paige L. Higby, Bret E. Penrod, J. Joseph Cheng | 1997-06-24 |