Mark Identification

INTELLISERVE

Serial Number

78026210

Filing Date

Sep 16, 2000

Trademark by

HALL DAVID R.

Classification Information

Well casting, drill pipe, drill collars, drill collars, drill bits, motors, turbines, JARS, and other downhole tools adapted for transmitting information downhole through inductive couplers and conductors within the respective downhole tools

Building Construction and Repair