Mark Identification

CAL-TEQ

Serial Number

75548186

Filing Date

Sep 4, 1998

Registration Date

Feb 19, 2002

Trademark by

BAKER HUGHES INCORPORATED

Classification Information

oil and gas well drilling in the nature of completion and production services for the oil and gas exploration and production industry, namely, calculating, formulating, and mixing of drilling mud mixtures and additives for specific wellbore and drilling conditions

Treatment of Materials