| 发明名称 | In-ear headphone device having a headphone housing made of titanium alloy | ||
| 摘要 | |||
| 申请公布号 | USD763222(S1) | 申请公布日期 | 2016.08.09 |
| 申请号 | US201529514918F | 申请日期 | 2015.01.18 |
| 申请人 | Tang Xiuquan;Yao Changzhi | 发明人 | Tang Xiuquan;Yao Changzhi |
| 分类号 | 14-01 | 主分类号 | 14-01 |
| 代理机构 | JT Law Services, PC | 代理人 | Tan Jie;JT Law Services, PC |
| 主权项 | The ornamental design for in-ear headphone device having a headphone housing made of titanium alloy, as shown and described. | ||
| 地址 | Zhongshan CN | ||