Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463159 | Battery case structure of microphone of loudspeaker system | — | 2002-10-08 |
| D464041 | Testing device of microphone | — | 2002-10-08 |
| 6459801 | Structure for adjusting position of microphone on microphone mount | — | 2002-10-01 |
| 6424724 | Head screen structure of microphone housing of loudspeaker system | — | 2002-07-23 |