Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661201 | Preferential etching of a piezoelectric material | Petros Petridis, Darrel E. Newell | 1987-04-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661201 | Preferential etching of a piezoelectric material | Petros Petridis, Darrel E. Newell | 1987-04-28 |