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Updated Registration Certificates

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Int. Cl.: 17<br />

Prior U.S. Cls.: 1, 5, 12, 13, 35 and 50 Reg. No. 2,771,827<br />

United States Patent and Trademark Office Registered Oct. 7, 2003<br />

Corrected OG Date Aug. 17, 2004<br />

WACKER-CHEMIE GMBH (FED REP<br />

GERMANY LTD LIAB CO)<br />

HANNS-SEIDEL-PLATZ 4<br />

MUNICH, FED REP GERMANY 81737<br />

OWNER OF FED REP GERMANY<br />

REG. NO. 30217104, DATED 4-25-2002,<br />

EXPIRES 4-30-2012.<br />

OWNER OF U.S. REG. NO. 1,324,527.<br />

TRADEMARK<br />

PRINCIPAL REGISTER<br />

WDS<br />

FOR: HEAT INSULATION MATERI-<br />

ALS, NAMELY, PLATES, PANELS,<br />

SHEETS, DIE-SHAPED PARTS, OR IN<br />

GRANULATED FORM, MADE PARTLY<br />

OR ENTIRELY OF SILICA OF SILI-<br />

CATES, IN CLASS 17 (U.S. CLS. 1, 5, 12,<br />

13, 35 AND 50). .<br />

SER. NO. 78-186,806, FILED 11-20-2002.<br />

In testimony whereof I have hereunto set my hand<br />

and caused the seal of The Patent and Trademark<br />

Office to be affixed on Aug. 17, 2004.<br />

DIRECTOR OF THE U.S. PATENT AND TRADEMARK OFFICE

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