Patent Assignment
Reel/Frame 015830/0464
Assignment of Assignor's Interest
Recorded: 2004-09-23
Pages: 4
Assignee
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE, BAKERSFIELD, CALIFORNIA, 93308
Covered Property
(1)
Wellhead Isolation Tool and Method of Fracturing a Well
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 1, 2008
From: DUHN OIL TOOL, INC
To: FREEPORT FINANCIAL LLC, AS AGENT
Reel/Frame 020442/0486 →
Assignment of Assignor's Interest
Nov 18, 2011
From: DUHN OIL TOOL, INC.
To: SEABOARD INTERNATIONAL INC.
Reel/Frame 027257/0495 →
Release of Security Interest
Nov 22, 2011
From: FREEPORT FINANCIAL LLC, AS AGENT
To: DUHN OIL TOOL, INC.
Reel/Frame 027265/0961 →
Supplement to Patent Security Agreement
Nov 22, 2011
From: SEABOARD INTERNATIONAL INC.
To: FREEPORT FINANCIAL LLC, AS AGENT
Reel/Frame 027269/0065 →
Release of Security Interest
Dec 15, 2011
From: FREEPORT FINANCIAL LLC, AS AGENT
To: DUHN OIL TOOL, INC.
Reel/Frame 027387/0620 →
Release of Security Interest
Dec 15, 2011
From: FREEPORT FINANCIAL LLC, AS AGENT
To: SEABOARD INTERNATIONAL INC.
Reel/Frame 027388/0790 →
License
Feb 6, 2014
From: SEABOARD INTERNATIONAL, INC.
To: CAMERON INTERNATIONAL CORPORATION
Reel/Frame 032158/0360 →
Corrective Assignment to Correct the Incorrect Patent No. 7332407 Previously Recorded at Reel: 027387 Frame: 0620. Assignor(S) Hereby Confirms the Release by Secured Party.
Jun 12, 2017
From: FREEPORT FINANCIAL LLC., AS AGENT
To: DUHN OIL TOOL, INC.
Reel/Frame 042763/0586 →
Corrective Assignment to Correct the Patent No 7332407 Previously Recorded at Reel: 027388 Frame: 0790. Assignor(S) Hereby Confirms the Release by Secured Party.
Jun 12, 2017
From: FREEPORT FINANCIAL LLC., AS AGENT
To: SEABOARD INTERNATIONAL INC.
Reel/Frame 042763/0595 →