Stewart; Jonathan K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stewart; Jonathan K..The latest application filed is for "audiometry earphone insert".
- Stewart; Jonathan K. - Bloomingdale IL
- Stewart; Jonathan K. - Bensenville IL
| Patent | Date |
|---|---|
| Audiometry earphone insert Grant 9,566,023 - Killion , et al. February 14, 2 | 2017-02-14 |
| Audiometry Earphone Insert App 20150096379 - Killion; Mead C. ; et al. | 2015-04-09 |
| One-size-fits-most hearing aid Grant 8,625,827 - Gudmundsen , et al. January 7, 2 | 2014-01-07 |
| One-size-fits-most Hearing Aid App 20120213396 - Gudmundsen; Gail ; et al. | 2012-08-23 |
| One-size-fits-most hearing aid Grant 8,184,839 - Gudmundsen , et al. May 22, 2 | 2012-05-22 |
| Two-way voice communication device having external acoustic noise reduction Grant 7,551,940 - Paulson , et al. June 23, 2 | 2009-06-23 |
| Variable Output Earphone System App 20070098202 - Viranyi; Steven ; et al. | 2007-05-03 |
| Two-way voice communication device having external acoustic noise reduction App 20040165720 - Paulson, Mary ; et al. | 2004-08-26 |
| Mounting configuration for monolithic integrated circuit Grant 5,661,420 - Killion , et al. August 26, 1 | 1997-08-26 |
| High fidelity hearing aid amplifier Grant 5,131,046 - Killion , et al. July 14, 1 | 1992-07-14 |
| Audibility earplug Grant 5,113,967 - Killion , et al. May 19, 1 | 1992-05-19 |
| Electrode isolation amplifier Grant 5,099,856 - Killion , et al. March 31, 1 | 1992-03-31 |
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.
| 