Mark Identification

GEO-SPAN

Serial Number

76265401

Filing Date

Jun 1, 2001

Registration Date

Jan 20, 2004

Trademark by

HALLIBURTON ENERGY SERVICES INC.

Active Trademark

Classification Information

OIL AND GAS WELL DRILLING SERVICES, NAMELY, USE OF COMPUTER SOFTWARE PROGRAMS FOR COMMUNICATING WITH DOWNHOLE DRILLING TOOLS THAT CAN REDIRECT THE TOOL WHILE DRILLING

Building Construction and Repair