Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862429 | Flextensional electroacoustic transducer with hydrostatically compression-loaded driver | — | 1989-08-29 |
KR
Kenneth D. Rolt
Overall (1989): #87,875 of 140,708Top 65%
1
Patents 1989