IP Library › Assignment 029140/0647
Patent Assignment
Reel/Frame 029140/0647

Assignment of Assignor's Interest

Recorded: 2012-10-17 Pages: 9
Assignors
CAO, JUNWEI
Executed: 2011-03-28
QIAN, HAN
Executed: 2011-03-28
LI, JUNWEI
Executed: 2011-03-28
Assignee
BEIJING ENDLESS TIME AND SPACE TECHNOLOGY CO., LTD.
7A BUILDING #2 SHANGDI XINXI ROAD, HAIDIAN DISTRICT, BEIJING, 100085, CHINA
Covered Property (1)
Quality-Of-Experience Measurement for Voice Services
Patent: 9,185,005 →
Application: 13/641,701 →
Publication: US 2013/0051271
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 17, 2012
From: BEIJING ENDLESS TIME AND SPACE TECHNOLOGY CO., LTD.
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 029140/0641 →
Security Interest Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →