Assignment of Assignor's Interest

Recorded: 2009-05-11 Pages: 4

Assignor

RIVES, ALLEN KENT

Executed: 2009-04-29

Assignee

TIGER 19 PARTNERS, LTD

13919 SAN SABA CANYON LANE, CYPRESS, TEXAS, 77429

Covered Properties (6)

Underreamer and Method of Use

Patent: 6,668,949 →

Application: 09/913,626 →

Reamer Having Torodial Crusher Body and Method of Use

Patent: 7,090,034 →

Application: 10/468,067 →

Publication: US 2004/0074672

Nutating Single Cone Drill Bit

Patent: 6,892,828 →

Application: 10/709,097 →

Publication: US 2004/0200640

Drill Bit Lubrication Apparatus and Method

Patent: 7,240,745 →

Application: 11/279,565 →

Enhanced Drill Bit Lubrication Apparatus and Method

Patent: 7,464,773 →

Application: 11/465,727 →

Publication: US 2008/0041627

Underreamer and Method of Use

Patent: 7,665,550 →

Application: 11/718,315 →

Publication: US 2008/0115973

Related Assignments (2)

Other recorded transfers of the patents in this record — the chain of ownership.