Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309410 | Tuned circuit for sonar beam pattern optimization | Elmore Kittower, Merrill E. Fife | 1994-05-03 |
| 5237543 | Moment bender transducer drive | David J. Erickson, Louis M. Izzo | 1993-08-17 |