Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7084555 | Piezoelectric diaphragm structure with outer edge electrode | Steven A. Buhler, John S. Fitch, Meng H. Lean, Karl A. Littau | 2006-08-01 |
| 5069606 | Rotary fluid displacement apparatus | — | 1991-12-03 |