Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8111863 | Earbud adapter | Robert J. Oliveira, Martin P. Babcock | 2012-02-07 |
| 8111864 | Earbud adapter | Robert J. Oliveira, Martin P. Babcock | 2012-02-07 |
| 7864973 | User disposable sleeve for use within the ear canal | Robert J. Oliveira, Martin P. Babcock | 2011-01-04 |
| 7600604 | User disposable member for use within the ear canal and methods for manufacturing the same | Martin P. Babcock, Robert J. Oliveira, William L. Parish, Vasant V. Kolpe | 2009-10-13 |
| 7349550 | Earbud adapter | Robert J. Oliveira, Martin P. Babcock | 2008-03-25 |
| 7236605 | User disposable sleeve for use within the ear canal | Robert J. Oliveira, Martin P. Babcock | 2007-06-26 |