IP Library › Assignment 029140/0641
Patent Assignment
Reel/Frame 029140/0641

Assignment of Assignor's Interest

Recorded: 2012-10-17 Pages: 6
Assignor
Assignee
EMPIRE TECHNOLOGY DEVELOPMENT LLC
2711 CENTERVILLE ROAD, SUITE 400, WILMINGTON, DELAWARE, 19808
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: CAO, JUNWEI; QIAN, HAN; LI, JUNWEI
To: BEIJING ENDLESS TIME AND SPACE TECHNOLOGY CO., LTD.
Reel/Frame 029140/0647 →
Security Interest Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →