Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5910459 | Glass-ceramic containing a stabilized hexacelsian crystal structure | George Halsey Beall, Jeffrey Todd Kohli | 1999-06-08 |
| 4323653 | Inhibiting crystallization of opal glass compositions | John E. Megles, Jr. | 1982-04-06 |