Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763571 | Armature assembly for balanced moving armature magnetic transducer and method of locating and adjusting same | Joseph A. Sawyer | 2004-07-20 |
| 6727789 | Magnetic transducers of improved resistance to arbitrary mechanical shock | John Burns, Joseph A. Sawyer | 2004-04-27 |
| 6526153 | Armature assembly for balanced moving armature magnetic transducer and method of locating and adjusting same | Joseph A. Sawyer | 2003-02-25 |
| 6031922 | Microphone systems of reduced in situ acceleration sensitivity | — | 2000-02-29 |
| 5299176 | Balanced armature transducers with transverse gap | — | 1994-03-29 |
| 5220612 | Non-occludable transducers for in-the-ear applications | Peter L. Madaffari | 1993-06-15 |
| 4518831 | Transducer with translationally adjustable armature | W. Kent Stanley | 1985-05-21 |
| 4442324 | Encapsulated backplate for electret transducers | Senior N. Blanchard, William T. Flint, Joseph A. Sawyer | 1984-04-10 |
| 4430520 | Transducer shielding enclosure | Joseph A. Sawyer | 1984-02-07 |
| 4410769 | Transducer with adjustable armature yoke and method of adjustment | — | 1983-10-18 |