US6735527
2003-02-26 AS     ASSIGNMENT Owner Name LANDMARK GRAPHICS CORPORATION, TEXAS
                  ASSIGNMENT Free Format Text ASSIGNMENT OF ASSIGNORS 
                  INTEREST;ASSIGNOR:LEVIN, STEWART A.;REEL/FRAME:013817/0001
2003-02-26 AS     ASSIGNMENT Effective DATE 20030221
2004-09-14 CC     CERTIFICATE OF CORRECTION
	 

WO2004077099
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