IP Library › Assignment 036498/0428
Patent Assignment
Reel/Frame 036498/0428

Assignment of Assignor's Interest

Recorded: 2015-09-04 Pages: 4
Assignor
SEATTLE POLYMER COMPANY
Executed: 2012-10-29
Assignee
EMPIRE TECHNOLOGY DEVELOPMENT LLC
2711 CENTERVILLE ROAD, SUITE 400, WILMINGTON, DELAWARE, 19808
Covered Property (1)
Cement Slurries Having Pyranose Polymers
Patent: 9,174,871 →
Application: 13/946,710 →
Publication: US 2014/0128513
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 4, 2015
From: CARLSON, WILLIAM BRENDEN; PHELAN, GREGORY D.
To: SEATTLE POLYMER COMPANY
Reel/Frame 036498/0328 →
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 →