Patent Assignment
Reel/Frame 049288/0253
Assignment of Assignor's Interest
Recorded: 2019-05-26
Pages: 5
Assignors
DUAN, WEI
Executed: 2018-03-09
FANG, TAO
Executed: 2018-03-09
HU, ZHIFENG
Executed: 2018-03-09
HU, QIZHONG
Executed: 2018-03-09
ZHANG, WEI
Executed: 2018-03-09
Assignee
DONGXIA DATONG (BEIJING) MANAGEMENT AND CONSULTING CO., LTD.
11TH FLOOR, IDEAL PLAZA, NO. 58 NORTH 4TH RING ROAD WEST, HAIDIAN DISTRICT, BEIJING, CHINA
Covered Property
(1)
Systems and Methods for Unlocking a Lock
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 26, 2019
From: DONGXIA DATONG (BEIJING) MANAGEMENT AND CONSULTING CO., LTD.
To: JIANGSU HONGBAO HARDWARE CO., LTD.
Reel/Frame 049283/0337 →
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 →