Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7134179 | Process of forming a capacitative audio transducer | John E. Freeman, William J. Baney, Timothy M. Betzner, Dan W. Chilcott, John C. Christenson +2 more | 2006-11-14 |
| 6829814 | Process of making an all-silicon microphone | John E. Freeman, William J. Baney, Timothy M. Betzner, Dan W. Chilcott, John C. Christenson +2 more | 2004-12-14 |