Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170087 | Electronic circuit for piezoelectric switch assembly | Thomas Walker | 1992-12-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170087 | Electronic circuit for piezoelectric switch assembly | Thomas Walker | 1992-12-08 |