Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859280 | Method of etching silicon by enhancing silicon etching capability of alkali hydroxide through the addition of positive valence impurity ions | Robert K. Lowry | 1989-08-22 |
| 4781853 | Method of enhancing silicon etching capability of alkali hydroxide through the addition of positive valence impurity ions | Robert K. Lowry | 1988-11-01 |