Patent Assignment
Reel/Frame 015033/0748
Confirmatory License
Recorded: 2004-03-04
Pages: 3
Assignor
ROCK SOLID IMAGES
Executed: 2004-01-26
Assignee
UNITED STATES DEPARTMENT OF ENERGY
1000 INDEPENDENCE AVENUE, WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property
(1)
Method for Determining Formation Quality Factor from Seismic Data
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 16, 2003
From: TANER, M. TURHAN; TREITEL, SVEN
To: RDSP I, L.P.
Reel/Frame 014619/0693 →
Merger
Jul 12, 2011
From: RDSP I, L.P.
To: RDSP ACQUISITION, INC.
Reel/Frame 026579/0495 →
Change of Name
Jul 15, 2011
From: RDSP ACQUISITION, INC.
To: ROCK SOLID IMAGES, INC.
Reel/Frame 026601/0536 →
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 →