IP Library › Assignment 021369/0444
Patent Assignment
Reel/Frame 021369/0444

Assignment of Assignor's Interest

Recorded: 2008-08-11 Pages: 2
Assignor
HILL, GILMAN
Executed: 2008-07-18
Assignee
TETRA CORPORATION
3701 HAWKINS STREET NE, ALBUQUERQUE, NEW MEXICO, 87109
Covered Property (1)
Method of Drilling Using Pulsed Electric Drilling
Patent: 7,530,406 →
Application: 11/561,840 →
Publication: US 2007/0137893
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 10, 2012
From: MOENY, WILLIAM M.
To: SDG, LLC
Reel/Frame 027507/0016 →
Assignment of Assignor's Interest Jan 10, 2012
From: TETRA CORPORATION
To: SDG, LLC
Reel/Frame 027507/0252 →
Corrective Assignment to Correct the Assignee's Name and Address Previously Recorded at Reel: 027507 Frame: 0016. Assignor(S) Hereby Confirms the Assignment. Mar 7, 2018
From: MOENY, WILLIAM M.
To: SDG LLC
Reel/Frame 045524/0980 →
Corrective Assignment to Correct the Assignee's Name and Address Previously Recorded at Reel: 027507 Frame: 0252. Assignor(S) Hereby Confirms the Assignment. Mar 7, 2018
From: TETRA CORPORATION
To: SDG LLC
Reel/Frame 045525/0558 →