Patent Assignment
Reel/Frame 048752/0807
Assignment of Assignor's Interest
Recorded: 2019-04-01
Pages: 4
Assignor
LIU, JIA
Executed: 2016-08-05
Assignee
BEIJING ZHIGU RUI TUO TECH CO., LTD
NO. 33 SHANG DI XIAO YING WEST ROAD, HAIDIAN DISTRICT, BEIJING, 100085, CHINA
Covered Property
(1)
Noise Control Method and Device