Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243566 | Low noise transducer system | — | 1993-09-07 |
| 4259732 | Transducer assembly for self-calibration | George R. Douglas, John H. Thompson | 1981-03-31 |
| 4192246 | Laminar flow quiet torpedo nose | Frank P. Hodges, Harold W. Fowler | 1980-03-11 |