Mark Identification

PREPARED TO RESPOND

Serial Number

75741404

Filing Date

Jun 30, 1999

Registration Date

Feb 27, 2001

Trademark by

BAKER HUGHES HOLDINGS LLC

Active Trademark

Classification Information

Diagnostic test services performed on fuel and crude oil contained in storage tanks, barges or ships offshore with the use of injected chemical additives, truck and trailer units and trained technicians

Computer and Scientific