Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8073181 | Passive headphone equalizing | Pericles Nicholas Bakalos, Roman Sapiejewski | 2011-12-06 |
| 7916888 | In-ear headphones | Roman Sapiejewski, William W. Tice, Ian M. Collier, Kevin P. Annunziato, Pericles Nicholas Bakalos +1 more | 2011-03-29 |