Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12087263 | Underwater acoustic projector transducers | John L. Butler | 2024-09-10 |
| 11911793 | Deep submergence bender transduction apparatus | John L. Butler, Jethro H. Tannis | 2024-02-27 |