Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701277 | Electro-acoustic transducers | Martin Ring, Roger Mark, Patrick M. Brogan, James R. Sturges | 1997-12-23 |
| 5268879 | Electro-acostic transducers | — | 1993-12-07 |
| 5267223 | Electroacoustic transducer seal | Gerald A. Brigham | 1993-11-30 |
| 5229978 | Electro-acoustic transducers | William M. Pozzo, James E. Burke | 1993-07-20 |
| 5220535 | Sonar baffles | Gerald A. Brigham | 1993-06-15 |
| 5220538 | Electro-acoustic transducer insulation structure | Ascanio G. DiPippo, Richard R. Langhoff, George V. Morris | 1993-06-15 |
| 5155709 | Electro-acoustic transducers | Roger Mark | 1992-10-13 |
| 5103130 | Sound reinforcing seal for slotted acoustic transducers | Kenneth D. Rolt | 1992-04-07 |
| 4703464 | Permanent magnet biased magnetostrictive transducer | Thomas R. Howarth, William J. Harrold, Kenneth Rodberg | 1987-10-27 |
| 4664459 | Noiseless solid conductor flexible cable | Nicholas L. Lizza | 1987-05-12 |