INPADOC Patent Family   US6493636
Publication No. Publication date Filing No. Priority Links
US 6493636B1 20021210 US 40159099A 19990922 US 10717998P 19981105
US 40159099A 19990922
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INPADOC Legal Status
US6493636
2002-10-21 AS     ASSIGNMENT Owner Name SHELL OIL COMPANY, TEXAS
                  ASSIGNMENT Free Format Text ASSIGNMENT OF ASSIGNORS 
                  INTEREST;ASSIGNOR:DEKOK, ROBBERT J.;REEL/FRAME:013413/0775
2002-10-21 AS     ASSIGNMENT Effective DATE 19990806