| 9605928 |
Apparatus and method for broad spectrum radiation attenuation |
J. Craig Oxford |
2017-03-28 |
| 9584904 |
Spherically housed loudspeaker system |
J. Craig Oxford |
2017-02-28 |
| 9407988 |
Method and apparatus for audio processing |
J. Craig Oxford |
2016-08-02 |
| 8948273 |
Method and apparatus for wired signal transmission |
J. Craig Oxford |
2015-02-03 |
| 8929560 |
Method and apparatus for audio processing |
J. Craig Oxford |
2015-01-06 |
| 8885869 |
Non-directional transducer |
J. Craig Oxford |
2014-11-11 |
| 8850947 |
Apparatus and method for broad spectrum radiation attenuation |
J. Craig Oxford |
2014-10-07 |
| 8824724 |
Audio transducer |
J. Craig Oxford |
2014-09-02 |
| 8687818 |
Method for dynamically adjusting the spectral content of an audio signal |
J. Craig Oxford, Patrick Taylor |
2014-04-01 |
| 8611557 |
Method and apparatus for audio processing |
J. Craig Oxford |
2013-12-17 |
| 8422713 |
Spherically housed loudspeaker system |
J. Craig Oxford |
2013-04-16 |
| 8359965 |
Apparatus and method for broad spectrum radiation attenuation |
J. Craig Oxford |
2013-01-29 |
| 8144900 |
Speaker system |
J. Craig Oxford |
2012-03-27 |
| 8103007 |
System and method of detecting speech intelligibility of audio announcement systems in noisy and reverberant spaces |
Philip Zumsteg |
2012-01-24 |
| 8098833 |
System and method for dynamic modification of speech intelligibility scoring |
Philip Zumsteg |
2012-01-17 |
| 8098849 |
Low frequency equalization for loudspeaker system |
J. Craig Oxford |
2012-01-17 |
| 8094868 |
Non-directional transducer |
J. Craig Oxford |
2012-01-10 |
| 7899192 |
Method for dynamically adjusting the spectral content of an audio signal |
J. Craig Oxford, Patrick Taylor |
2011-03-01 |
| 7796775 |
Spherically housed loudspeaker system |
J. Craig Oxford |
2010-09-14 |
| 7672472 |
Audio transducer |
J. Craig Oxford |
2010-03-02 |
| 7639147 |
System and method of acoustic detection and location of audible alarm devices |
Andrew G. Berezowski, Walter Heimerdinger, Charles R. Obranovich, John Phelps, Philip Zumsteg |
2009-12-29 |
| 7433821 |
Methods and systems for intelligibility measurement of audio announcement systems |
Charles R. Obranovich, Philip Zumsteg, Andrew G. Berezowski, Walter Heimerdinger, John Phelps |
2008-10-07 |
| D572236 |
Spherically shaped loudspeaker |
J. Craig Oxford |
2008-07-01 |
| D541258 |
Loudspeaker system |
J. Craig Oxford |
2007-04-24 |