Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12207060 | Transient multi-tone test signal and method for audio speakers | John Stewart | 2025-01-21 |
| 11856382 | Acoustic transducer having drop ring connected at resonant node | Timothy E. Sandrik | 2023-12-26 |
| D888007 | Speaker | George Trasmonte, Meiling Zhang | 2020-06-23 |
| 10536769 | Sealed pipe-loaded loudspeaker for improving low frequency response in portable devices | Giuseppe DI CARLANTONIO | 2020-01-14 |
| 10250994 | Force balanced micro transducer array | — | 2019-04-02 |
| D830329 | Speaker | George Trasmonte, Meiling Zhang | 2018-10-09 |