Stillwater Designs and Audio, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stillwater Designs and Audio, Inc..The latest application filed is for "ultra low frequency transducer and loud speaker comprising same".
- Stillwater Designs and Audio, Inc. - Stillwater OK US
- STILLWATER DESIGNS AND AUDIO, INC. - 5021 N. Perkins Stillwater OK
Trademarks
| Patent | Date |
|---|---|
| Loudspeaker enclosure Grant D917,418 - Irby , et al. April 27, 2 | 2021-04-27 |
| Method and apparatus for automated tuning of vehicle sound system Grant 10,979,847 - Pires , et al. April 13, 2 | 2021-04-13 |
| Anti-clipping protection in audio systems Grant 10,608,596 - Pires | 2020-03-31 |
| Method and apparatus for automated tuning of vehicle sound system Grant 10,609,505 - Pires , et al. | 2020-03-31 |
| Subwoofer enclosure Grant D852,781 - Hotson , et al. | 2019-07-02 |
| Loudspeaker Grant D820,815 - Justis June 19, 2 | 2018-06-19 |
| Loudspeaker Grant D807,326 - Justis January 9, 2 | 2018-01-09 |
| Subwoofer Grant D798,837 - Surratt , et al. October 3, 2 | 2017-10-03 |
| Subwoofer Grant D783,577 - Ambrose , et al. April 11, 2 | 2017-04-11 |
| Ultra low frequency transducer and loud speaker comprising same Grant 8,023,688 - Irby , et al. September 20, 2 | 2011-09-20 |
| Ultra low frequency transducer and loud speaker comprising same Grant 7,916,890 - Irby , et al. March 29, 2 | 2011-03-29 |
| Ultra Low Frequency Transducer And Loud Speaker Comprising Same App 20080118098 - Irby; Steven M. ; et al. | 2008-05-22 |
| Low-profile tweeter with lateral air chamber Grant 6,968,069 - Zhao November 22, 2 | 2005-11-22 |
| Dual basket speaker with replaceable, self-aligning cone assembly and super ventilated pole piece Grant 6,731,773 - Bergbower , et al. May 4, 2 | 2004-05-04 |
| Ultra low frequency transducer and loud speaker comprising same App 20030194104 - Irby, Steven M. ; et al. | 2003-10-16 |
| Ultra low frequency transducer and loud speaker comprising same Grant 6,611,604 - Irby , et al. August 26, 2 | 2003-08-26 |
| Subwoofer surround and diaphragm assembly Grant D473,216 - Irby , et al. April 15, 2 | 2003-04-15 |
| Subwoofer basket Grant D456,386 - Irby , et al. April 30, 2 | 2002-04-30 |
| Speaker grill Grant D449,293 - Irby , et al. October 16, 2 | 2001-10-16 |
| Sub-woofer enclosure Grant D355,193 - Irby February 7, 1 | 1995-02-07 |
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