IP Library › Assignment 028980/0447
Patent Assignment
Reel/Frame 028980/0447

Assignment of Assignor's Interest

Recorded: 2012-09-18 Pages: 6
Assignor
MA, YUCHEN
Executed: 2011-07-29
Assignee
SHANGHAI XUCANLIANG SCIENCE AND TECHNOLOGY CO., LTD.
BUILDING 52, NO.2255, LONGDONGDADAO ROAD, SHANGHAI, 201203, CHINA
Covered Property (1)
Self-Cleaning Electret Filter
Patent: 8,597,405 →
Application: 13/574,158 →
Publication: US 2013/0047846
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 18, 2012
From: SHANGHAI XUCANLIANG SCIENCE AND TECHNOLOGY CO., LTD.
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 028980/0506 →
Security Interest Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →