Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4272500 | Process for forming mullite | Carl L. Eggerding, Frank Gonzales, Jr. | 1981-06-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4272500 | Process for forming mullite | Carl L. Eggerding, Frank Gonzales, Jr. | 1981-06-09 |