Utility patent certificate of loudspeaker

Utility model patent certificate

Certificate No. 4353369

Name of utility model: a sound isolating box

Inventors: Wu Lianbao, Zhou Minghua, Yang Hong

Patent No.: ZL 2014 2 0796424.9

Patent application: December 15, 2014

Patentee: Shenzhen Jiachen Technology Co., Ltd

Authorization announcement H: June 10, 2015