Patent Assignment
Reel/Frame 006833/0928
Assignment of Assignor's Interest
Recorded: 1994-01-26
Pages: 3
Assignor
LICHMAN, EUGENE
Executed: 1994-01-11
Assignee
DISCOVERY BAY COMPANY
10500 RICHMOND AVE., HOUSTON, TEXAS, 77042
Covered Property
(1)
Resonant Energy Analysis Method and Apparatus for Seismic Data
Patent:
5,414,674 →
Application:
08/150,480 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assumed Name Certificate and Bill of Sale
Apr 28, 2003
From: THE DISCOVERY BAY COMPANY
To: RDSP I, L.P. (D/B/A ROCK SOLID IMAGES)
Reel/Frame 013998/0775 →
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 →