IP Library Assignment 029496/0506
Patent Assignment
Reel/Frame 029496/0506

Nunc Pro Tunc Assignment

Recorded: 2012-12-19 Pages: 7
Assignor
ACCENTUS MEDICAL PLC
Executed: 2012-03-01
Assignee
CARBO CERAMICS INC.
575 N. DAIRY ASHFORD, SUITE 300, HOUSTON, TEXAS, 77079
Covered Properties (2)
Well Treatment
Patent: 5,964,291 →
Application: 08/608,247 →
Oil Well Treatment
Patent: 5,893,416 →
Application: 08/980,440 →
Related Assignments (9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 6, 1997
From: BOURNE, HUGH MALCOLM
To: UNITED KINGDOM ATOMIC ENERGY AUTHORITY
Reel/Frame 008406/0364 →
Transfer by Operation of Law Mar 10, 1997
From: UNITED KINDGOM ATOMIC ENERGY AUTHORITY
To: AEA TECHNOLOGY PLC
Reel/Frame 008451/0105 →
Assignment of Assignor's Interest Aug 5, 1999
From: READ, PETER ARNE
To: AEA TECHNOLOGY PLC
Reel/Frame 010142/0572 →
Assignment of Assignor's Interest Apr 7, 2003
From: AEA TECHNOLOGY PLC
To: ACCENTUS PLC
Reel/Frame 013922/0815 →
Change of Name Apr 23, 2013
From: ACCENTUS PLC
To: ACCENTUS MEDICAL PLC
Reel/Frame 030282/0784 →
Assignment of Assignor's Interest Apr 23, 2013
From: READ, PETER ARNE
To: UNITED KINGDOM ATOMIC ENERGY AUTHORITY
Reel/Frame 030264/0701 →
Transfer by Operation of Law Apr 23, 2013
From: UNITED KINGDOM ATOMIC ENERGY AUTHORITY
To: AEA TECHNOLOGY PLC
Reel/Frame 030282/0634 →
Patent Security Agreement Apr 28, 2016
From: CARBO CERAMICS INC.; FALCON TECHNOLOGIES AND SERVICES, INC.; STRATAGEN, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 038555/0688 →
Release of Security Interest Mar 3, 2017
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: CARBO CERAMICS INC.; ASSET GUARD PRODUCTS INC. (F/K/A FALCON TECHNOLOGIES AND SERVICES, INC.); STRATAGEN, INC.
Reel/Frame 041879/0930 →