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Patent Assignment
Reel/Frame 032078/0909

Assignment of Assignor's Interest

Recorded: 2014-01-29 Pages: 3
Assignor
Assignee
BEIJING GUO CHENG WAN TONG INFORMATION CO. LTD
901, BEIJING INSTITUTE OF TECHNOLOGY SCIENCE & TECHNOLOGY BUILDING, NO. 9 ZHONGGUANCAN SOUTH AVENUE, HAIDIAN DISTRICT, BEIJING, 100081, CHINA
Covered Property (1)
Methods and Devices for Transmitting /Obtaining Information by Visible Light Signals
Patent: 9,407,367 →
Application: 14/142,278 →
Publication: US 2014/0321859
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 29, 2014
From: GUO, CHENG; HU, HONG
To: BEIJING SEMICONDUCTOR LIGHTING TECHNOLOGY PROMOTION CENTER
Reel/Frame 032078/0973 →
Assignment of Assignor's Interest Dec 4, 2020
From: BEIJING GUOCHENGWANTONG INFORMATION TECHNOLOGY CO. LTD.
To: STEP TECH GLOBAL SAGL
Reel/Frame 054594/0052 →