FirstChair Acoustics Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for FirstChair Acoustics Co., Ltd..The latest application filed is for "acoustic box structure".
- FirstChair Acoustics Co., Ltd. - Taoyuan, Taoyuan County N/A TW
- FirstChair Acoustics Co., Ltd. - Taipei N/A TW
- FirstChair Acoustics Co., Ltd. - Taoyuan City TW
- FirstChair Acoustics Co., Ltd. - Taipei City 114 TW
- FirstChair Acoustics Co., Ltd. - Taipei City TW
| Patent | Date |
|---|---|
| Acoustic box structure Grant 9,479,862 - Yang October 25, 2 | 2016-10-25 |
| Speaker structure Grant 9,398,369 - Yang July 19, 2 | 2016-07-19 |
| Acoustic Box Structure App 20160014487 - Yang; Ching-Wen | 2016-01-14 |
| Speaker Structure App 20150350757 - Yang; Ching-Wen | 2015-12-03 |
| Speaker Structure App 20150078605 - Yang; Ching-Wen | 2015-03-19 |
| Structure Of Speaker Driver App 20150078612 - Yang; Ching-Wen | 2015-03-19 |
| Loudspeaker Grant 8,867,778 - Yang October 21, 2 | 2014-10-21 |
| Loudspeaker App 20140133691 - YANG; CHING-WEN | 2014-05-15 |
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