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Patent Assignment

Reel/Frame 025548/0008

ASSIGNMENT OF ASSIGNOR'S INTEREST

Recorded: 2010-12-21 Received: 2010-12-21 Pages: 5

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Assignors

LEVIJOKI, STEPHEN PAUL

Executed: 2010-11-30

THOMPSON, BRETT B.

Executed: 2010-12-01

WANG, YUE-YUN

Executed: 2010-12-09

Assignee

GM GLOBAL TECHNOLOGY OPERATIONS LLC

P.O. BOX 300, MAIL CODE 482-C23-B21, DETROIT, MI, 48265-3000, UNITED STATES

Covered Application (1)

SYSTEM AND METHOD FOR DETECTING LOW QUALITY REDUCTANT AND CATALYST DEGRADATION IN SELECTIVE CATALYTIC REDUCTION SYSTEMS

App. No. 12/974,366