Patent Assignment
Reel/Frame 043543/0623
Assignment of Assignor's Interest
Recorded: 2017-09-11
Pages: 7
Assignor
NANTONG INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING
Executed: 2012-02-09
Assignee
EMPIRE TECHNOLOGY DEVELOPMENT LLC
2711 CENTERVILLE ROAD, STE. 400, WILMINGTON, DELAWARE, 19808
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: LU, YANQING; HU, HIKUI; XU, FEI; HU, WEI
To: NANTONG INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING
Reel/Frame 043543/0571 →
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 →