Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5920146 | Electrode edge wave patterns for piezoelectric resonator | Weiping Zhang, Sang Hoon Kim | 1999-07-06 |
| 5903087 | Electrode edge wave patterns for piezoelectric resonator | John E. Mattson, James Frank Caruba, Charles Zimnicki | 1999-05-11 |