Semcken Kevin R
USPTO Trademark & Patent Filings
Trademark applications and grants for Semcken Kevin R. Semcken Kevin R has 4 trademark applications. The latest application filed is for "CERTIFIED ELECTRONICS"
| Patent Application | Date |
|---|---|
| SINGLE CHAMBER HEADPHONE APPARATUS 20140086429 - 14/094554 Semcken; Kevin R. | 2014-03-27 |
| WIRELESS AUDIO SYSTEM 20110110529 - 12/904961 Semcken; Kevin R. | 2011-05-12 |
| METHOD AND APPARATUS FOR MODIFYING AN AUDIO SIGNAL 20100316240 - 12/526040 Semcken; Kevin R. ; et al. | 2010-12-16 |
| HEADPHONE APPARATUS 20100310093 - 12/746916 Semcken; Kevin R. | 2010-12-09 |
| SYSTEM AND METHOD OF IMPROVING AUDIO SIGNALS FOR THE HEARING IMPAIRED 20100303249 - 12/529541 Semcken; Kevin R. | 2010-12-02 |
| System and method of improving audio signals for the hearing impaired 8,712,067 - 12/529,541 Semcken April 29, 2 | 2014-04-29 |
| System and method of improving audio signals for the hearing impaired 8,712,067 - 12/529,541 Semcken April 29, 2 | 2014-04-29 |
| Single Chamber headphone apparatus 8,605,932 - 12/746,916 Semcken December 10, 2 | 2013-12-10 |
| Single Chamber headphone apparatus 8,605,932 - 12/746,916 Semcken December 10, 2 | 2013-12-10 |
| Method and apparatus for modifying an audio signal 8,462,975 - 12/526,040 Semcken , et al. June 11, 2 | 2013-06-11 |
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