Patent Assignment
Reel/Frame 018288/0919
Assignment of Assignor's Interest
Recorded: 2006-09-22
Pages: 8
Assignors
MACGREGOR, LUCY M.
Executed: 2005-06-21
SINHA, MARTIN C.
Executed: 2005-06-27
WEAVER, RICHARD
Executed: 2005-06-27
Assignee
OHM LIMITED
CEI (BUILDING 37), UNIVERSITY OF SOUTHAMPTON, HIGHFIELD, SOUTHAMPTON, HAMPSHIRE, SO17 1BJ, UNITED KINGDOM
Covered Property
(1)
Electromagnetic Surveying for Hydrocarbon Reservoirs
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 14, 2011
From: OHM LIMITED
To: OFFSHORE HYDROCARBON MAPPING PLC
Reel/Frame 026124/0866 →
Change of Name
Dec 8, 2011
From: OFFSHORE HYDROCARBON MAPPING PLC
To: ROCK SOLID IMAGES PLC
Reel/Frame 027351/0197 →
Assignment of Assignor's Interest
Jun 4, 2015
From: ROCK SOLID IMAGES PLC
To: ROCK SOLID IMAGES, INC.
Reel/Frame 035783/0345 →
Assignment of Assignor's Interest
Apr 8, 2020
From: SLLP 206 LIMITED
To: PGS GEOPHYSICAL AS
Reel/Frame 052349/0588 →
Deed of Confirmation and Clarification
Apr 8, 2020
From: ROCK SOLID IMAGES, INC.; ROCK SOLID IMAGES US GROUP, INC.
To: SLLP 206 LIMITED
Reel/Frame 052351/0174 →