Gunness; David W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gunness; David W..The latest application filed is for "passive cardioid speaker".
- Gunness; David W. - Sutton MA
- Gunness; David W. - Buchanan MI
- Gunness; David W. - Niles MI
| Patent | Date |
|---|---|
| Passive cardioid speaker Grant 10,123,111 - Gunness November 6, 2 | 2018-11-06 |
| Passive Cardioid Speaker App 20170353787 - Gunness; David W. | 2017-12-07 |
| Creating digital signal processing (DSP) filters to improve loudspeaker transient response Grant 8,081,766 - Gunness December 20, 2 | 2011-12-20 |
| Creating digital signal processing (DSP) filters to improve loudspeaker transient response App 20070223713 - Gunness; David W. | 2007-09-27 |
| Low Frequency Horn App 20040003961 - Gunness, David W. | 2004-01-08 |
| Large scale sound reproduction system having cross-cabinet horizontal array of horn elements Grant 6,016,353 - Gunness January 18, 2 | 2000-01-18 |
| Loudspeaker and horn therefor Grant 5,020,630 - Gunness June 4, 1 | 1991-06-04 |
| Constant directivity loudspeaker horn Grant 4,685,532 - Gunness August 11, 1 | 1987-08-11 |
| Multiple driver manifold Grant 4,629,029 - Gunness December 16, 1 | 1986-12-16 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 