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sealvo.com · USPTO Trademark Record
https://sealvo.com/paraban-73589666
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Applicant
DOWELL SCHLUMBERGER INCORPORATEDCorporation
DE
P.O. BOX 2710, TULSA, OK, 74102
US
Attorney
ROBERT B STEVENSON
228 W 17TH PL, TULSA, OK 74119, UNITED STATES