DYNASTRING
Mark Identification

DYNASTRING

Serial Number

77501862

Filing Date

Jun 18, 2008

Registration Date

Feb 15, 2011

Trademark by

HALLIBURTON ENERGY SERVICES INC.

Active Trademark

Classification Information

Gauge carrier that transports electronic memory gauges used for recording downhole pressure and temperature in oil and gas well testing and drilling operations

Electrical and Scientific Apparatus