Patent Assignment
Reel/Frame 026133/0370
Change of Name
Recorded: 2011-04-15
Pages: 5
Assignor
FRAC TECH SERVICES LTD.
Executed: 2009-12-29
Assignee
FRAC TECH SERVICES, LLC
16858 IH 20, CISCO, TEXAS, 76437
Covered Property
(1)
Method for Intervention Operations in Subsurface Hydrocarbon Formations
Application:
12/579,947 →
Publication:
US 2010/0096139
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 11, 2009
From: HOLCOMB, DAVID L., MR.; WASAN, DARSH T., MR.; NIKOLOV, ALEX D., MR.
To: FRAC TECH SERVICES, LTD.; ILLINOIS INSTITUTE OF TECHNOLOGY
Reel/Frame 023502/0890 →
Corrective Assignment to Correct the Supporting Legal Documentation Previously Recorded on Reel 023502 Frame 0890. Assignor(S) Hereby Confirms the Assignment.
Nov 13, 2009
From: HOLCOMB, DAVID L., MR.; WASAN, DARSH T., MR.; NIKOLOV, ALEX D., MR.
To: FRAC TECH SERVICES, LTD.; ILLINOIS INSTITUTE OF TECHNOLOGY
Reel/Frame 023514/0376 →
Change of Name
Jan 25, 2012
From: FRAC TECH SERVICES, LLC
To: FTS INTERNATIONAL SERVICES, LLC
Reel/Frame 027589/0619 →
Corrective Assignment to Correct the 13088438 Previously Recorded on Reel 027589 Frame 0619. Assignor(S) Hereby Confirms the Change of Name.
Jan 30, 2012
From: FRAC TECH SERVICES, LLC
To: FTS INTERNATIONAL SERVICES, LLC
Reel/Frame 027617/0001 →