IP Library › Assignment 031336/0739
Patent Assignment
Reel/Frame 031336/0739

Assignment of Assignor's Interest

Recorded: 2013-10-03 Pages: 6
Assignor
MA, YUCHEN
Executed: 2012-04-20
Assignee
SHANGHAI XUCANLIANG SCIENCE AND TECHNOLOGY CO., LTD
BUILDING 52, NO. 2255, LONGDONGDADAO ROAD, SHANGHAI, 201203, CHINA
Covered Property (1)
Drilling Technology Utilizing High Temperature and Low Temperature Discharges
Patent: 9,338,667 →
Application: 14/006,291 →
Publication: US 2014/0008124
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 3, 2013
From: SHANGHAI XUCANLIANG SCIENCE AND TECHNOLOGY CO., LTD
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 031336/0850 →
Security Interest Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →