Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650365 | Neutral low transmittance glass | Kevin V. Goodwin | 1997-07-22 |
| 5641716 | Glass production method using ilmenite | Bret E. Penrod, J. Joseph Cheng, Rodney G. Baker | 1997-06-24 |