IP Library Assignment 053975/0496
Patent Assignment
Reel/Frame 053975/0496

Assignment of Assignor's Interest

Recorded: 2020-10-02 Pages: 3
Assignors
LIU, SONG
Executed: 2020-05-20
LI, BO
Executed: 2020-05-20
LI, NA
Executed: 2020-05-20
Assignee
BEIJING XIAONIAO TINGTING TECHNOLOGY CO., LTD
18/F, BLOCK D, THE TURTH BUILDING, NO. 7 ZHICHUN ROAD, HAIDIAN DISTRICT, BEIJING, 100191, CHINA
Covered Property (1)
Method and Device for Detecting Wearing State of Earphone and Earphone
Application: 16/881,552 →
Publication: US 2020/0374617
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 10, 2023
From: BEIJING XIAONIAO TINGTING TECHNOLOGY CO., LTD
To: LITTLE BIRD CO., LTD
Reel/Frame 062334/0788 →