Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8712067 | System and method of improving audio signals for the hearing impaired | — | 2014-04-29 |
| 8605932 | Single Chamber headphone apparatus | — | 2013-12-10 |
| 8462975 | Method and apparatus for modifying an audio signal | H. Christopher Schweitzer | 2013-06-11 |
| 8270649 | Technology delivery, positioning and sound management system and method for use in the ear canal | — | 2012-09-18 |
| D606969 | Head set | — | 2009-12-29 |
| D606970 | Head set | — | 2009-12-29 |