Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4384173 | Electromagnetic planar diaphragm transducer | Dennis K. Briefer, Michael Flitterman | 1983-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4384173 | Electromagnetic planar diaphragm transducer | Dennis K. Briefer, Michael Flitterman | 1983-05-17 |