Patent Assignment
Reel/Frame 043543/0571
Assignment of Assignor's Interest
Recorded: 2017-09-11
Pages: 10
Assignors
LU, YANQING
Executed: 2012-02-07
HU, HIKUI
Executed: 2012-02-07
XU, FEI
Executed: 2012-02-13
HU, WEI
Executed: 2012-02-07
Assignee
NANTONG INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING
58 CHONGCHUANG STREET, NANTONG, 226019, CHINA
Covered Property
(1)
Particle Removal Using Periodic Piezoelectric Coefficient Material
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 11, 2017
From: NANTONG INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 043543/0623 →
Security Interest
Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →
Release of Security Interest in Patents, Recorded on January 29, 2019 at Reel 048373 Frame 0217
Sep 22, 2025
From: CRESTLINE DIRECT FINANCE, L.P., AS COLLATERAL AGENT
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 072936/0464 →