CORRECTIVE ASSIGNMENT TO CORRECT THE THE THIRD INVENTOR'S NAME IS SHOWN AS FREDRICK L. MUELLER WHEREAS THE CORRECT INFORMATION IS FREDERICK L. MUELLER PREVIOUSLY RECORDED ON REEL 017725 FRAME 0604. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.

Recorded: 2006-06-08 Received: 2006-06-08 Pages: 9

Assignors

AZWELL, DOUGLAS E.

Executed: 2006-03-10

MUELLER, FREDERICK L.

Executed: 2006-03-10

ZIEBOLD, STEVEN A.

Executed: 2006-03-10

Assignee

MECS, INC.

CORPORATE POINTE, 14522 SOUTH OUTER FORTY ROAD, ST. LOUIS, MO, 63017, UNITED STATES

Covered Application (1)