Assignment of Assignor's Interest

Recorded: 2008-09-20 Pages: 3

Assignor

ZIEGLER, MARK J.

Executed: 2008-09-12

Assignee

UNIMIN CORPORATION

258 ELM STREET, NEW CANAAN, CONNECTICUT, 06840

Covered Property (1)

Method of Making Proppant Used in Gas or Oil Extraction

Application: 61/098,746 →

Related Assignments (1)

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