Keele, Jr.; D. Broadus
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keele, Jr.; D. Broadus.The latest application filed is for "constant-directivity two way wedge loudspeaker system".
- Keele, Jr.; D. Broadus - Bloomington IN
- Keele, Jr.; D. Broadus - Camarillo CA
- Keele, Jr.; D. Broadus - Galien MI
| Patent | Date |
|---|---|
| Constant-directivity two way wedge loudspeaker system Grant 10,805,719 - Sarvis , et al. October 13, 2 | 2020-10-13 |
| Speaker Grant D853,983 - Sarvis , et al. July 16, 2 | 2019-07-16 |
| Constant-directivity Two Way Wedge Loudspeaker System App 20190090051 - Sarvis, JR.; Hugh K. ; et al. | 2019-03-21 |
| Constant-beamwidth loudspeaker array Grant 8,170,223 - Keele, Jr. May 1, 2 | 2012-05-01 |
| Vehicle loudspeaker array Grant 8,073,156 - Hutt , et al. December 6, 2 | 2011-12-06 |
| Constant-beamwidth loudspeaker array Grant 7,826,622 - Keele, Jr. November 2, 2 | 2010-11-02 |
| Constant-beamwidth Loudspeaker Array App 20100104117 - Keele, JR.; D. Broadus | 2010-04-29 |
| Reflective loudspeaker array Grant 7,684,574 - Keele, Jr. , et al. March 23, 2 | 2010-03-23 |
| Log-sampled filter system Grant 7,555,081 - Keele, Jr. June 30, 2 | 2009-06-30 |
| Defined coverage loudspeaker horn Grant 4,580,655 - Keele, Jr. April 8, 1 | 1986-04-08 |
| Loudspeaker horn Grant 4,308,932 - Keele, Jr. January 5, 1 | 1982-01-05 |
| Horn loudspeaker Grant 4,071,112 - Keele, Jr. January 31, 1 | 1978-01-31 |
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