Williams; Chester Smith
Patent Applications and Registrations
Patent applications and USPTO patent grants for Williams; Chester Smith.The latest application filed is for "directional acoustic radiating device".
- Williams; Chester Smith - Lexington MA
| Patent | Date |
|---|---|
| Directional acoustic radiating device Grant 11,336,995 - Litovsky , et al. May 17, 2 | 2022-05-17 |
| Directional Acoustic Radiating Device App 20210289289 - Litovsky; Roman N. ; et al. | 2021-09-16 |
| Helmet With Low Spillage Audio Speaker App 20210235806 - Williams; Chester Smith ; et al. | 2021-08-05 |
| Portable loudspeaker Grant 10,785,551 - Graff , et al. Sept | 2020-09-22 |
| Electric musical instrument having a bridge Grant 10,777,171 - Tiene , et al. September 15, 2 | 2020-09-15 |
| Acoustic device having an electro-acoustic transducer mounted to a passive radiator diaphragm Grant 10,667,039 - Litovsky , et al. | 2020-05-26 |
| Audio eyeglasses Grant D864,283 - Williams , et al. Oc | 2019-10-22 |
| Acoustic device Grant 10,390,129 - Litovsky , et al. A | 2019-08-20 |
| Acoustic Device Having An Electro-acoustic Transducer Mounted To A Passive Radiator Diaphragm App 20190246201 - Litovsky; Roman N. ; et al. | 2019-08-08 |
| Acoustic device having an electro-acoustic transducer mounted to a passive radiator diaphragm Grant 10,271,129 - Litovsky , et al. | 2019-04-23 |
| Acoustic Device Having An Electro-acoustic Trasducer Mounted To A Passive Radiator Diaphragm App 20180270567 - Litovsky; Roman N. ; et al. | 2018-09-20 |
| Portable Loudspeaker App 20180192173 - Graff; Allen T. ; et al. | 2018-07-05 |
| Acoustic Device App 20180103314 - Litovsky; Roman N. ; et al. | 2018-04-12 |
| Acoustic device with curved passive radiators Grant 9,913,012 - Williams , et al. March 6, 2 | 2018-03-06 |
| Acoustic device Grant 9,877,103 - Litovsky , et al. January 23, 2 | 2018-01-23 |
| Acoustic device Grant 9,654,867 - Litovsky , et al. May 16, 2 | 2017-05-16 |
| Multiple-orientation audio device and related apparatus Grant 9,554,201 - Williams , et al. January 24, 2 | 2017-01-24 |
| Acoustic Device App 20160337747 - Litovsky; Roman N. ; et al. | 2016-11-17 |
| Acoustic Device Having Active Drivers Mounted To A Passive Radiator Diaphragm App 20160219362 - Litovsky; Roman ; et al. | 2016-07-28 |
| Acoustic Device with Curved Passive Radiators App 20160080845 - Williams; Chester Smith ; et al. | 2016-03-17 |
| Acoustic Device App 20160021446 - Litovsky; Roman N. ; et al. | 2016-01-21 |
| Audio Speaker App 20150281866 - Williams; Chester Smith ; et al. | 2015-10-01 |
| Convective airflow using a passive radiator Grant 8,798,308 - Litovsky , et al. August 5, 2 | 2014-08-05 |
| Acoustic ports aligned to create free convective airflow Grant 8,561,756 - Litovsky , et al. October 22, 2 | 2013-10-22 |
| Acoustic Ports Aligned To Create Free Convective Airflow App 20130213730 - Litovsky; Roman N. ; et al. | 2013-08-22 |
| Convective Airflow Using a Passive Radiator App 20130213628 - Litovsky; Roman N. ; et al. | 2013-08-22 |
| Reconfigurable loudspeaker enclosure Grant 8,167,083 - Litovsky , et al. May 1, 2 | 2012-05-01 |
| Reconfigurable Loudspeaker Enclosure App 20110284315 - Litovsky; Roman N. ; et al. | 2011-11-24 |
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