Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4794295 | Acoustic transducer | Richard J. Penneck, David R. Fox, Michael Christopher Booth, Edward Atkinson | 1988-12-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4794295 | Acoustic transducer | Richard J. Penneck, David R. Fox, Michael Christopher Booth, Edward Atkinson | 1988-12-27 |