Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7916890 | Ultra low frequency transducer and loud speaker comprising same | Steven M. Irby | 2011-03-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7916890 | Ultra low frequency transducer and loud speaker comprising same | Steven M. Irby | 2011-03-29 |