IP Library › Assignment 022030/0888
Patent Assignment
Reel/Frame 022030/0888

Assignment of Assignor's Interest

Recorded: 2008-12-26 Pages: 4
Assignors
DUHN, REX E.
Executed: 2004-09-22
MEEK, ROBERT K.
Executed: 2004-09-22
Assignee
DUHN OIL TOOL, INC.
3912 GILMORE AVENUE, BAKERSFIELD, CALIFORNIA, 93308
Covered Property (1)
Wellhead Isolation Tool and Method of Fracturing a Well
Patent: 7,520,322 →
Application: 12/001,621 →
Publication: US 2008/0093067
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
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: 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 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 →