Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8855338 | Transducers employing bowed lamina | — | 2014-10-07 |
| 8208674 | Squeeze-stretch driver for earphone and the like | — | 2012-06-26 |
| 8194874 | In-room acoustic magnitude response smoothing via summation of correction signals | Bradley M. Starobin, Christopher N. Blair | 2012-06-05 |
| 7477751 | Method and apparatus for sound transduction with minimal interference from background noise and minimal local acoustic radiation | David Lindsay Bowen, Gladys L. Unger | 2009-01-13 |
| 5594175 | Apparatus and method for non-invasive diagnosis and control of motor operated valve condition | Jangbom Chai, Jeffrey H. Lang, Wayne H. Hagman, Stephen D. Umans, Olli Saarela | 1997-01-14 |
| 5265147 | X-ray tube noise reduction using stator mass | Jeung T. Kim, Imdad Imam | 1993-11-23 |
| 5228347 | Method and apparatus for measuring flow by using phase advance | Francis C. Lowell | 1993-07-20 |
| 5127498 | Impedance matches mass damper | Craig M. Gardner | 1992-07-07 |