Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596550 | Low cost shading for wide sonar beams | Thomas C. Montgomery, Frederick G. Geil, Brad Fye | 1997-01-21 |
| 5126979 | Variable reluctance actuated flextension transducer | Thomas C. Montgomery, Thomas Kupiszewski, David Marschik | 1992-06-30 |
| 4833659 | Sonar apparatus | Frederick G. Geil, Henry M. Gruen, Howard S. Newman, Thomas J. Ratz, John H. Thompson | 1989-05-23 |
| 4413331 | Broad beam transducer | Dale D. Skinner, John H. Thompson | 1983-11-01 |