Ballad; William J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ballad; William J..The latest application filed is for "earphone assembly with moisture resistance".
- Ballad; William J. - Buffalo Grove IL
| Patent | Date |
|---|---|
| Earphone assembly with moisture resistance Grant 9,451,349 - Wickstrom , et al. September 20, 2 | 2016-09-20 |
| Earphone assembly with moisture resistance Grant 9,078,064 - Wickstrom , et al. July 7, 2 | 2015-07-07 |
| Earphone Assembly With Moisture Resistance App 20140010399 - Wickstrom; Timothy K. ; et al. | 2014-01-09 |
| Earphone assembly with moisture resistance Grant 8,532,323 - Wickstrom , et al. September 10, 2 | 2013-09-10 |
| Earphone Assembly With Moisture Resistance App 20110182455 - Wickstrom; Timothy K. ; et al. | 2011-07-28 |
| Isolating deep canal fitting earphone Grant 7,477,756 - Wickstrom , et al. January 13, 2 | 2009-01-13 |
| Electroacoustic system and method of manufacturing thereof App 20080101640 - Ballad; William J. ; et al. | 2008-05-01 |
| Isolating deep canal fitting earphone App 20070217642 - Wickstrom; Timothy K. ; et al. | 2007-09-20 |
| Electret assembly Grant 5,335,286 - Carlson , et al. August 2, 1 | 1994-08-02 |
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.
| 