Assignment of Assignor's Interest

Recorded: 2010-06-01 Pages: 5

Assignors

HOPE, STEPHEN ROSS

Executed: 2007-01-01

WELCOME, ROBERT JOHN

Executed: 2007-01-01

JONES, JASON ROBERT

Executed: 2007-01-01

Assignee

RED DEVIL-SANDFAST, LLC

1437 SOUTH BOULDER AVENUE, SUITE 750, TULSA, OKLAHOMA, 74119

Covered Properties (2)

Abrasive Holder

Patent: 7,131,902 →

Application: 10/523,183 →

Publication: US 2006/0154582

Abrasive Holder

Patent: 7,553,221 →

Application: 11/538,178 →

Publication: US 2007/0082591

Related Assignments (1)

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