Patent Assignment
Reel/Frame 049178/0309
Assignment of Assignor's Interest
Recorded: 2019-05-14
Pages: 3
Assignor
HU, ZHIFENG
Executed: 2019-05-06
Assignee
DONGXIA DATONG (BEIJING) MANAGEMENT AND CONSULTING CO., LTD.
11TH FLOOR, IDEAL PLAZA, NO. 58 NORTH 4TH RING ROAD WEST, HAIDIAN DISTRICT, BEIJING, 100080, CHINA
Covered Property
(1)
Systems and Methods for Controlling a Lock
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 15, 2019
From: DONGXIA DATONG (BEIJING) MANAGEMENT AND CONSULTING CO., LTD.
To: JIANGSU HONGBAO HARDWARE CO., LTD.
Reel/Frame 049178/0451 →
Assignment of Assignor's Interest
May 24, 2021
From: JIANGSU HONGBAO HARDWARE CO., LTD.
To: BEIJING QISHENG SCIENCE AND TECHNOLOGY CO., LTD.
Reel/Frame 056321/0860 →