Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8433075 | Audio system based on at least second-order eigenbeams | Gary W. Elko, Jens M. Meyer | 2013-04-30 |
| 7587054 | Audio system based on at least second-order eigenbeams | Gary W. Elko, Jens M. Meyer | 2009-09-08 |
| 5862239 | Directional capacitor microphone system | Gabriel L. Miller, Eric R. Wagner | 1999-01-19 |
| 5748757 | Collapsible image derived differential microphone | James E. West | 1998-05-05 |
| 5636287 | Apparatus and method for the active control of air moving device noise | Daniel A. Quinlan | 1997-06-03 |
| 5586191 | Adjustable filter for differential microphones | Gary W. Elko, Dennis R. Morgan, James E. West | 1996-12-17 |
| 5388163 | Electret transducer array and fabrication technique | Gary W. Elko, Michael M. Goodwin, James E. West | 1995-02-07 |
| 5303307 | Adjustable filter for differential microphones | Gary W. Elko, Dennis R. Morgan, James E. West | 1994-04-12 |
| 4965775 | Image derived directional microphones | Gary W. Elko, Jeffrey Phillip McAteer, James E. West | 1990-10-23 |
| 4598590 | Electret transducer for blood pressure measurement | Ilene J. Busch-Vishniac, James E. West | 1986-07-08 |
| 4555598 | Teleconferencing acoustic transducer | James L. Flanagan | 1985-11-26 |