Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383196 | Piezoelectric ceramic body for an electromechanical transducer | David J. Perduijn | 1983-05-10 |
| 4355256 | Ceramic composition for a piezoelectric body and electromechanical transducer | David J. Perduijn | 1982-10-19 |